1 2 3. What would be the correct formula for an ionic compound that combines calcium and sulfate? Writing formulas and names of ionic compounds with polyatomic ions For example, ionic compound formed between calcium and sulfur, Ca +2 and S 2 Ca2S2 Cas. Answers ionic-bonding-and-ionic-compounds-mutiple-choice-2-2012-07-05. Elements and Compounds. All Chemistry Practice Problems Ionic and Covalent Bonds Practice Problems. It is an inorganic chemical compound. Chromium and chlorine form an ionic compound whose formula is CrCl3. In this video we'll write the correct formula for CaS (Calcium sulfide). C3S2 is known as carbon subsulfide. C. Ca(SO 4) 2. When calcium reacts with sulfur the compound formed is _____. University. A. CaS. *Numbers are always treated as subscripts. Sign in Register; Hide. CaS B. Ca2S2 C. Ca(SO4)2 D. CaSO4 E. CaSO8 FREE Expert Solution. Answer. 몰 질량 of Ca2S2 is 144.2860 g/mol ... Molar mass calculator also displays common compound name, Hill formula, elemental composition, mass percent composition, atomic percent compositions and allows to convert from weight to number of moles and vice versa. E. CaSO 8. name_____ ionic bonding ionic compounds multiple choice review anions tend to have charge and cations tend to have charge. Problem Details. B. Ca 2 S 2. D. CaSO 4. Before we start, though, I just wanted to review a few terms. Although the ionic compound is made up of charged particles, must be connected so that the compound is the general manager of zero, so that the compound is neutral. Asked by Wiki User. This 40-item test will measure how well you understood the rules in writing down the correct chemical formulas of compounds as well as naming compounds given the chemical formulas.You have 30 minutes to complete the test. A)Ca2S2 B) Ca3S2 C) CaS D) CaS2 E) Ca2S3. worksheet. Potassium iodide can block absorption of radioactive iodine by the thyroid gland through flooding the thyroid with non-radioactive iodine and preventing intake of radioactive molecules, thereby protecting the thyroid from cancer causing radiation. In that process sodium sulfide reacts with calcium carbonate:[1], Millions of tons of this calcium sulfide byproduct was discarded, causing extensive pollution and controversy. What is Ca2S2? Calcium sulfide is the chemical compound with the formula Ca S.This white material crystallizes in cubes like rock salt. There are many explanations offered for the origin of the name chickenpox:Samuel Johnson suggested that the … Naming Binary Ionic Compounds. 4. A) chromium chlorine B) chromium(III) chloride C) monochromium trichloride D) chromium(III) trichloride. C) CaS. Learning to name ionic compounds is both easy and hard depending on the complexity of the compound. Oldhamite is the name for mineralogical form of CaS. Table 1: complete the table by writing the correct formula for the following compounds Anion Balanced Formula Name Cation charges- Ca2S2 S2- Cas Calcium sulfide Ca Potassium chloride Strontium Barium iodide Sodium fluoride phosphide Calcium bromide Beryllium oxide Strontium sulfide Aluminum phosphide Rubidium oxide Magnesium iodide Lithium chloride Beryllium bromide Boron phosphide … Potassium Iodide is a metal halide composed of potassium and iodide with thyroid protecting and expectorant properties. positive. The name of this compound is _____. *Mispelled words / Incorrectly entered answers are marked wrong.