Supports 1. V. 76°F) Boiling Point: 961 K (688°C or 1270°F) Density: 1. . Rubidium atoms have 37 electrons and the shell structure is 2. To improve and miniaturize the humble device for future applications will require a deeper understanding of atomic and chemical physics. The rubidium is housed in a 5-pin 51 mm. For FPS, magnesium would probably be the best. [deleted] •. 096 µg/g. 2%) and the radioactive 87 Rb (27. To write the formula for Rubidium sulfate we’ll use the Periodic Table, a Common. Rubidium atoms have 37 electrons and the shell structure is 2. Gerhard Hübner and Ernst Jechart established the firm in 1971 and a year later supplied examples of the clock to NRL. First, the exact atomic mass of each isotope must be obtained. 3 degrees Celsius) Number of natural isotopes (atoms of the same element. There are two 10 MHz and one 5 MHz outputs with exceptionally low phase noise of (-130 dBc/Hz at 10 Hz offset) and one second Allan Variance of (<2 × 10 -11). 5 modpack I made for myself, and I'm trying to use some low end shaders to enhance the way the world works a bit. It consists of rubidium cations and an equal number of hydroxide anions. I've been trying to use Oculus for shaders, but when I enable them my frames drop from 130-170fps to 10-15fps. to complete an octet. This prevents a collapse of all but the smallest condensates. Listing details: 1 bedroom, 1 bathroom, 25 sq m. One of the alkali metals, it is positioned in group 1 (or IA) of the periodic table between potassium A: Rubidium is commonly used in science and research as a tracer element and in atomic clocks. Like most azides, it is explosive. By 2013 we built and deployed six of these clocks which now form the basis of our Master Clock system. CurseForge is one of the biggest mod repositories in the world, serving communities like Minecraft, WoW, The Sims 4, and more. It is one of the most active chemical elements. Molecular Weight: 230. There are almost 29 known isotopes of rubidium. U. rubidium: [noun] a soft silvery metallic element of the alkali metal group that reacts violently with water and bursts into flame spontaneously in air — see Chemical Elements Table. 17. 020274 USD with a 24-hour trading volume of not available. 9 x 10 10 years. Rubidium chloride 99. ?) Rubidium carbonate, Rb 2 CO 3, is a convenient compound of rubidium; it is stable, not particularly reactive, and readily soluble in water, and is the form in which rubidium is. . HPA AXIS HEALTH: Rubidium supports the proper function of the hypothalamus-pituitary-adrenal axis, and autonomic nervous system. Period Number: 5. Many features that behave slightly differently in every new. Rubidium is ductile metal and used for various purposes. Mais de 4. Welcome to Rubidium! We are a Roblox development group mainly known for "Dig To China" | 4220 membersPreparation. Total number of protons in the nucleus is called the atomic number of the atom and is given the symbol Z. Rubidium is also a Forge port of Sodium, except it's maintained and supports shaders via Oculus (Forge port of Iris) You should use Rubidium as well as RoadRunner (Forge port of Lithium) and Sulfuric (Forge port of Phosphor. rubidium and bromine Enter the lons formed by these elements and separate your answers with a comma (e. Tariff: Item Number Normal Trade Relations 12–31–19 Alkali metals, other 2805. Available units: 1 qt. Rubidium ion | Rb+ | CID 105153 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety. Use Coulomb's law to estimate the average distance between the rubidium nucleus and the 5s electron. Rubidium contains all the features of the classic Sodium. [1] An acid sulfate of rubidium ( rubidium hydrogen sulfate) can be formed. It varies according to levels found in water supplies. Each entry has a full citation identifying its source. 49 commits. Note that most living matter consists primarily of the so-called bulk elements: oxygen, carbon, hydrogen, nitrogen, and sulfur—the building blocks of the compounds that constitute our organs and muscles. Some items do appear, but actually placed blocks do not. 2968952. 1. of VIP at The Sims Resource by upgrading to an annual plan for just $24! will be charged to the selected payment method. Without the addition of Na 2 CO 3, α-spodumene only transformed into β-spodumene. Rubidium cation (Rb +) addition is witnessed to play a pivotal role in boosting the comprehensive performance of organic–inorganic hybrid perovskite solar cells. In this video we'll write the correct formula for Rubidium iodide (RbI). 1. Phase at Room Temperature: Solid. Pegue linha 721 ônibus de Rua Cacequi próximo ao 460 para Rua Francisco Batista próximo ao 43. 4, Forge 45. The cells have been fabricated using bulk silicon micromachining process of a 1. Rubidium is a soft, silvery-white metallic element. The atomic number reflects the number of protons an element has in its. TexTrue's Rubidium Options (TRO) TexTrue's Rubidium Options is an unofficial Forge port fork of FlashyReese's "Reese's Sodium Options", made to work with FML. CurseForge is one of the biggest mod repositories in the world, serving communities like Minecraft, WoW, The Sims 4, and more. Para ver mais detalhes utilize nosso mapa acima. Can someone help me figure out how to fix it? Full crash report: java. The corruption kills. A microwave signal derived from the crystal oscillator is applied to the 87 Rb vapor within a cell,. 5% ad val. • 1 yr. The metal is…. Pulsing crimson veins spread across the creature’s skin. Researchers had constructed relatively large laboratory rubidium frequency standards in the 1950s, and portable. 1 Introduction to MEMS Atomic Clocks 572Time standards [ edit] An atomic clock is based on a system of atoms which may be in one of two possible energy states. How the Galileo atomic clocks work. Bromine vapour causes irritation and direct damage to the mucous membranes. Our rubidium page has over 310 facts that span 98 different quantities. 18-i18n/dev. Geological Survey, Mineral Commodity Summaries, January 2021 . Its 4 quantum numbers are- n= 5,l = 0,m =0,s = +1 2. 8298197 e longitude -43. Elemental bromine also burns the skin. I generally wouldn't recommend using optifine as it leads to a lot of compatability issues. This prevents a collapse of all but the smallest condensates. arathimoteo@hotmail. . It can be used to enhance the performance of OLEDs. 4 records the reaction consequences of α-spodumene and various Na 2 CO 3 dosages (0–60%) at 1100 °C. 8) Other Uses of Rubidium and its Salts. The chemical symbol for rubidium is Rb. Rua Idume está no bairro Braz de Pina, município de Rio de Janeiro, estado do Rio de Janeiro, região Sudeste do Brasil. 00% in the last 24 hours. This Electron configuration is so because rubidium has a total of 37 electrons because its atomic number is precisely 37. #689 opened 16 hours ago by VirtualGaming1. ft. The live Rubidium price today is $0. 81 10. 4) Rubidium Chloride Uses. A red rash appears, originating from the point of contact with ruidium. 46217 downloads. Rubidium readily reacts with skin moisture to form rubidium hydroxide, which causes chemical burns of eyes and skin. 05 ppb regardless of temperature fluctuations. SUPPORTS GLANDULAR HEALTH: Rubidium is a trace mineral that helps all glands of the body to function properly. CurseForge is one of the biggest mod repositories in the world, serving communities like Minecraft, WoW, The Sims 4, and more. To write the formula for Rubidium nitride we’ll use the Periodic Table and follow. 20. ago. Rubidium delivers unmatched signal purity, output power, frequency stability and exceptional utility for a broad range of measurement applications across 9 kHz to 70 GHz frequency range. house located at 9932 E Rubidium Ave, Mesa, AZ 85212 sold for $825,000 on Sep 19, 2023. Period in periodic table: 5. 11 on Modrinth. 18. Listing details: 1 bedroom, 1 bathroom, 25 sq m. I have my own Discord server for my mods if you would like to discuss. Created a year ago. 9298 amu and an abundance of 69. cesium (Cs), chemical element of Group 1 (also called Group Ia) of the periodic table, the alkali metal group, and the first element to be discovered spectroscopically (1860), by German scientists Robert Bunsen and Gustav Kirchhoff, who named it for the unique blue lines of its spectrum (Latin caesius, “sky-blue”). Rubidium is an element that belongs to group 1 and period 5 in the periodic table. #color(blue)("avg. On-chip vapor dispensing was carried out by laser thermal activation of a. SUMMARY: The U. Now, weighted average simply means that each isotope contributes to the average atomic mass of the element proportionally to its percent abundance. Price Range · $$ Not yet rated (1 Review). 31°C or 102. 1 2 1 @ ’ = =. Other Group 1 (IA) elements include lithium, sodium. Rubidium je měkký, lehký a stříbrolesklý kov, který lze krájet nožem, podobně jako vosk. Rubidium ion. Available through all of our pharmacies nationwide, the Online Prescription Ordering provides customers a quick, easy and secure method to transmit prescription orders to their local pharmacy. 0 kg (154 lb) adult human is listed in Table 1. 3 OVERVIEW Rubidium is a soft, ductile, silvery-white metal that melts at 39. The approximate elemental composition of a healthy 70. Rubidium Sulfate (Rb 2 SO 4) Interesting facts. I want to keep rubidium on my modpack because of the extra fps it gives me, if anyone knows. Atomic Weight: 85. An element can be broken instantly using any item, always dropping itself. Geological Survey, Mineral Commodity Summaries, January 2020 . 886 ounces per cubic inch (1. This can make a huge difference to frame rates for most computers that are not bottle-necked by the. Reload to refresh your session. 9092; abundance = 27. LocalizedMC / MgRbExtras-i18n Public archive. 2. CAS Number: 584-09-8. 5 baths, 3073 sq. At this stage, the cells have become more fragile due to the RF1 treatment, so its important not to shake/vortex any longerManganese (II) chloride solution. It vigorously reacts with water and combines with the halogens. First, as a counterexample, Hydrogen clocks achieve lower Allan deviation (roughly two orders of magnitude) at 1. This kind of smaller particle size of PBAs obtained by. 1. grating,producingafree-spacebeamdiameterof320um 44 and3mm45 and used as a probebeamin a rubidium spectroscopy reference 46 and micrometer-size focused beams for ion-trap quantum computing 47. Em breve atualizaremos esta página com mais dados sobre Rua Idume, Rio de. Group in periodic table: 1. Answer: Rubidium (Rb) is more reactive because it is further to the left than strontium (Sr). 53% during the forecast period (2023-2028). Morgan Hill, CA – November 12, 2021 – Anritsu Company introduces the Rubidium™ signal generator family that delivers outstanding signal purity and frequency stability, even at high output power levels, across a. It is the largest Mesozoic batholith in the Nanling Ranges (Li et al. or just press shift + P lol. 2967474. 60%. Veja no mapa ruas próximas de Rua Idume e mais informações sobre o bairro Braz de Pina ou a cidade de Rio de Janeiro RJ . Development. This is still several orders of magnitude less than. YouTube. This is obviously a deal-breaker if you use Tinkers in a modpack. You signed out in another tab or window. Electromagnetics. 8. Rubidium, a lesser known mineral, acts in concert with several other minerals throughout the body. 19. 5) Naturally occurring chlorine that is put in pools is 75. If a box is not needed, leave it blank) What volume. External resources. [6] Rubidium tidak dapat disimpan di. Atomic Weight: 85. Here, x = (g J − g I )µ B B ⊥ / (h∆ hf ) where g J is the Lande g-factor and the nuclear spin I = 3/2 (5/2) for 87 Rb ( 85 Rb). I generally wouldn't recommend using optifine as it leads to a lot of compatability issues. Rubidium acetate | CH3COORb or C2H3O2Rb | CID 23673628 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological. EDIT: Changed my post to say that Rubidium. A. . Study with Quizlet and memorize flashcards containing terms like What is the mass number of an ion with 108 electrons, 159 neutrons, and a +1 charge?, What are the names of the elements symbolized by Ba, Na, and Fe, respectively? Spelling counts!, Magnesium has three naturally occurring isotopes with masses of 23. With over 800 million mods downloaded every month and over 11 million active monthly users, we are a growing community of avid gamers, always on the hunt for the next thing in user-generated content. RbCl. 9000 5. 1. Rb+ Electron Configuration (Rubidium Ion)In this video we will write the electron configuration for Rb+, the Rubidium ion. in 2003 [2], DPAL has attracted gaining attention due to their potential to achieve high output power with high quality beam in near infrared spectrum, they can be. The results from this work enhance the understanding of the effect of Rb incorporation into organic-inorganic hybrid halide perovskites and enable the exploration of R b-incorporated mixed perovSKites for various applications, such as solar cells, photodetectors, and light-emitting diodes. Production and Price of Rubidium. [6] Rubidium tidak dapat disimpan di bawah oksigen. 18. 7) Atomic Clocks. , Ltd. Most metal sulfate compounds are readily soluble in water for uses such as water treatment, unlike fluorides and oxides. The Rb standard is the most inexpensive, compact, and widely produced atomic clock, used to control the frequency of television stations, cell phone base stations, in test equipment, and global navigation satellite systems like GPS. 8. 6/Annex III-7 (b), allowing exemptions of Pb free soldering for. På grund av de ljusa röda linjerna i strålningen valde de ett latinskt namn, rubidus, som har betydelsen mörkröd. We update our RBD to USD price in real-time. IDENTIFICATION. The optimal detuning of the pump light at the rubidium D2 line is calculated and experimentally validated. It belongs to the alkali metal group of elements and is soft in nature. Its atomic mass is 85. 5s1 and the term symbol of rubidium. 2. Veja no mapa ruas próximas de Rua Jaboti e mais informações sobre o bairro Braz de Pina ou a cidade de Rio de Janeiro RJ . Updated 2 months ago. It. Small quantities of rubidium-containing minerals were mined in the United States prior to the mid-1960s, but rubidium. Raw materials prices change daily. I am on Minecraft 1. Rubidium is up 0. It is the rubidium salt of the hydrazoic acid HN3. The values of pressure broadening coefficients γ i and frequency shift coefficients δ i are refer to [10], [11], [12]. TexTrue's Rubidium Options (TRO) If you are using Embeddium, you should go with TexTrue's Embeddium Options!. 092 imóveis à venda na Rua Idume, Braz de Pina, Rio de Janeiro - RJ? No Viva Real você encontra muitas ofertas de imóveis à venda na Rua Idume. 4 - watch how to install a new FPS mod 1. [Oculus] [Chisel and Bits] [1. CurseForge is one of the biggest mod repositories in the world, serving communities like Minecraft, WoW, The Sims 4, and more. CurseForge is one of the biggest mod repositories in the world, serving communities like Minecraft, WoW, The Sims 4, and more. 6. It is a soft silver colored metal. Always open. Sulfate compounds are salts or esters of sulfuric acid formed by replacing one or both of the hydrogens with a metal. Express your answer as a chemical formula. So rubidium has a total of 1 valence electron. Rua Orica está no bairro Braz de Pina, município de Rio de Janeiro, estado do Rio de Janeiro, região Sudeste do Brasil. Period Number: 5. Element Preis EUR / kg Referenzpreis Datum Quelle; 1: H: Wasserstoff: 21,73: 0,06: USD pro Standardkubikfuß (scf) 0,06 USD pro Standardkubikfuß (scf)Zero kelvin (−273. However, the origin of such success derived from irreplaceable superiorities brought by Rb + remains ambiguous. The review includes the occurrence of rubidium in various resources, and the processes and mechanism of rubidium extraction from mineral (lepidolite, zinnwaldite, pollucite, kaolin, muscovite and biotite) and brine (salt lake and seawater) resources. With the periodic table symbol Rb, atomic number 37, atomic mass of 85. Rubidium chloride BioUltra, for molecular biology, ≥99. Rubidium Rb 82 injection is used in adults to help diagnose heart disease. Listing details: 1 bedroom, 1 bathroom, 25 sq m. The electron configuration of rubidium ion (Rb +) is 1s 2 2s 2 2p 6 3s 2 3p 6 3d 10 4s 2 4p 6. and more. 20 GHz, which seems to contradict your claim. . rua idumé, Rio de Janeiro, RJ, Brazil +55 21 97452-8736. [1]Side Effects. Do not report issues encountered with it to their bug tracker or in their Discord. Bulk and Prepack available | Aldrich-215260; Rubidium chloride; CAS No. If the abundance of 85RB is 72. The Fogang Batholith which formed at 160 ± 5 Ma is located in central Guangdong Province of SE China. Calculate the average atomic mass. 53 grams per cubic centimeter. View Price and Availability. OS (=O) (=O) [O-]. Find step-by-step Chemistry solutions and your answer to the following textbook question: Rubidium has two naturally occurring isotopes, rubidium-85 (atomic mass = 84. We’ll also look at why Rubidium fo. The subreddit for all things related to Modded Minecraft for Minecraft Java Edition --- This subreddit was originally created for discussion around the FTB launcher and its modpacks but has since grown to encompass all aspects of modding the Java edition of Minecraft. 11. Rubidium hydrogen sulfate, sometimes referred to as rubidium bisulfate, is the half neutralized rubidium salt of sulfuric acid. Crimson blisters and boils appear on the creature’s skin. The electronic configuration of Rubidium is 1 s 2 2 s 2 2 p 6 3 s 2. Atomic Number: 37. It is not always easy to make sensible comparisons between the elements however as some bonds are quite short because of multiple bonding (for instance the O=O distance in O 2 is short because of the the double bond connecting the. CurseForge is one of the biggest mod repositories in the world, serving communities like Minecraft, WoW, The Sims 4, and more. 18. The subreddit for all things related to Modded Minecraft for Minecraft Java Edition --- This subreddit was originally created for discussion around the FTB launcher and its modpacks but has since grown to encompass all aspects of modding the Java edition of Minecraft. Valency is defined as the total number of electrons an atom can lose, gain, or share at the time of bond formation to get a stable electronic configuration i. Given that Stable JEI crashes with Rubidium Extras, you now have to choose between running Alpha JEI to work with Rubidium Extras and no Tinkers integration, or not use Rubidium Extras with stable JEI so that Tinkers integration works. It is a colorless solid that is commercially available as aqueous solutions from a few suppliers. 9. The rubidium atom donates an electron of the last shell to form bonds and turns into a rubidium ion (Rb + ). 1. Rubidium (Rb) was discovered in 1861 by physicist Gustav Kirchhoff — perhaps better known for his work on electrical circuits — together with chemist Robert Bunsen, in Heidelberg. Rubidium Oxide is a highly insoluble thermally stable Rubidium source suitable for glass, optic and ceramic applications. mods. I'm playing in a custom 1. 18+ by Sodium. For a standing wave velocity of vr, Eq. Report Follow. The elements in Group 1, including lithium, sodium, potassium,. Their first-of-its-kind experiment involves using two kinds of extremely cold atoms aboard the International Space Station (ISS). When the vapor density of Rb is 1 × 10 20 m −3, the constant magnetic field intensity is 0. what is Mendeleev periodic table ? Mendeleev’s Periodic Table is the collection of 63 known elements in a tabular format on the basis of their properties, these are arranged according to the increasing atomic mass and chemical. The FS725 is an ideal instrument for calibration and R&D laboratories, or any application requiring a precision frequency standard. 31°C or 102. The fundamental particles of nature have minimum vibrational motion, retaining only quantum mechanical, zero-point. Reactive Alchemy (or Reactive for short) is an alchemy-themed magic mod centered around in-world experimentation. 9092 amu; abundance = 27. The linear frequency drift of the. See photos and price history of this 4 bed, 4 bath, 3,073 Sq. It is expected that the review can provide insights for the efficient utilization of the. If the abundance of 234U is. If you use either rubidium or magnesium, make sure that you use Magnesium/Rubidium Extras as it has an additional performance fix. 8. Rubidium is a chemical element with the symbol Rb and atomic number 37. What is the half-life (in hours) for 86Rb? Generally, the equation for k is mathematically given as. Total number of protons in the nucleus is called the atomic number of the atom and is given the symbol Z. e. Rubidium hydroxide is the inorganic compound with the formula RbOH. Influences of parameters, such as the temperature of rubidium vapor cell, the power of pump beam, and the strength of RF magnetic field and static magnetic field on the amplitude. A modern OpenGL rendering pipeline for chunk rendering that takes advantage of multi-draw techniques, allowing for a significant reduction in CPU overhead (~90%) when rendering the world. If you use either rubidium or magnesium, make sure that you use Magnesium/Rubidium Extras as it has an additional performance fix. They operate at 6,834,682,608 Hz, the resonance frequency of the rubidium atom (87 Rb), and use the rubidium frequency to control the frequency of a quartz oscillator. Fig. 5. Layered perovskites such as Ruddlesden–Popper (RP) perovskites have been intensively studied in the past few years due to its better environmental stability [1-7] and less trend of ion migration. 74°F, 312. ∙ 0 bath ∙ 40 m² ∙ R$ 800Element Rubidium (Rb), Group 1, Atomic Number 37, s-block, Mass 85. 532 g/cm. Verified by Toppr. The electron configuration of rubidium is [ Kr] 5s 1. g. Also provides the atomic number, element name, base atomic weight and formula weight for the calcutated molecular formula. 3. Write the balanced equation for this reaction (Use the lowest possible coefficients. . Generally, the wavelength fluctuation range of laser output laser is within ±1 × 10 −. A liquid metal is a metal or a metal alloy which is liquid at or near room temperature. 31-client. Veja também em Rua Idume. The review includes the occurrence of rubidium in various resources, and the processes and mechanism of rubidium extraction from mineral (lepidolite, zinnwaldite, pollucite, kaolin, muscovite and biotite) and brine (salt lake and seawater) resources. Period in periodic table: 5. One of the two naturally occurring isotopes of rubidium, 87 Rb, decays to 87 Sr with a half-life of 49. We apply gas quenching to fabricate rubidium (Rb) incorporated perovskite films for high-efficiency perovskite solar cells achieving 20% power conversion efficiency on a 65 mm2 device. This modpack stemmed from a desire to augment the familiar Minecraft experience. Sold: 4 beds, 3. Directory of services close to Rua Idume, Rio de Janeiro (Zona Norte do Rio de Janeiro: shops, restaurants, leisure and sports facilities, hospitals, gas stations and other places of interest. 15%) and rubidium-87 (atomic mass = 86. Embeddium is not supported by CaffeineMC. EDIT: Changed my post to say that Rubidium. Rubidium is a rare alkali metal with high economic value and application potential. A gradual and significant improvement in depressive symptoms (HDRS and Zung Scale) and anxiety (Stai X1 and HamARS) was. Market Growth Rate 2023-2028. If you want to use shaders, then you could try rubidium and oculus. Commercial rubidium clocks are less accurate than caesium atomic clocks, which serve as primary frequency. 4678. 3. Use the pull-down boxes to specify states such as (aq) or (s). Ambitious and… | Learn more about Victoria Rue's work experience, education, connections & more by. forked from anthxnymc/MagnesiumExtras. R40 was built in 2004 as part of a University of Victoria (UVic) initiative to offer a place in residence to every first-year student. 1. Rubidium hydride is a powerful superbase and reacts violently with water. 1 Introduction. txt The game doesn't crash when I remove rubidium, I'm not using light and shadow, this problem occurs so often that it annoys me. X Incorrect; Try Again; 9 attempts remaining Part B How does this distance compare to the atomic. For FPS, magnesium would probably be the best. 0% (AT); CAS Number: 7791-11-9; EC Number: 232-240-9; Synonyms: RbCl; Linear Formula: RbCl; find Sigma-Aldrich-83979 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich. Na rozdíl od předchozích alkalických kovů má větší hustotu než voda. 0132 and 87 Rb = 27. 1h 26m. RB-OX-02 , RB-OX-03 , RB-OX-04 , RB-OX-05 CAS #: 18088-11-4 Relevant identified uses of the substance: Scientific research and development Supplier details: American Elements 10884 Weyburn Ave. Introduction The prevalence of obesity is rising globally, with negative effects on the socioeconomic system. This paper proposes a novel method for the extraction of lithium and rubidium from polylithionite. build/ libs. 92 × 1010 years. Effects of exposure: water reactive. The creature’s crystal protrusions grow larger and more grotesque. It includes several features from other mods, packaged into one add-on that you'll want to install for the best experience. The use of laser cooling and the trapping of ultra-cold. It is one of the most active chemical elements. . . A Rua Idume está localizada no bairro Braz de Pina, na cidade de Rio de Janeiro – Rio de Janeiro e de acordo com a nossa base de informações o CEP desse endereço é:. 19. Isotopic ratio measurements were made on two single-stage solid-sample mass spectrometers which are identical except for very minor differences in the vacuum systems. It ignites spontaneously in air. A leading major national Critical Infrastructure recently selected AccuBeat to provide it with Time Servers and AccuBeat’s patented Time FireWall™ thus ensuring that the Critical Infrastructure is. 969 amu) and 24. 4. It is a cubic crystal with rock-salt structure. , Sr2+, A93– cation, anion = Ꭱb+ , Br Previous Answers Correct Part D Enter the formula for the ionic compound formed by the ions in Part C.