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Calcium has a 2+ charge,

A calcium ion has 20 protons and 18 electrons. Each proton has a +1 charge and each electron has a -1 charge. What is the charge
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2. asked by robin
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Need help with these questions:1.When a calcium atom forms an ion, it loses two electrons. What is the electrical charge of the
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2. asked by mysterychicken
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Shameeka is studying for an exam. She took the notes below about calcium and chlorine, which are known to form ionic bonds.Calci
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Calcium has a 2+ charge, and oxygen has a 2− charge. A Lewis dot diagram should contain one calcium atom and one oxygen atom
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The calcium ion carries a charge of 2+. The nitrate ion (NO3-) carries a charge of 1-. Which of the following is the correct
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2. asked by Keri
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What is the electric charge on the calcium ion in calcium chloride, CaCl2?
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2. asked by Eunice
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in the formula for calcium bromide (CaBr2), what does the subscripted two indicate?A. the bromide atom has a charge of 2- B. the
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2. asked by drew
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How can a growing animal get calcium to make new bone tissue?A. by removing calcium from its bones B. by making calcium from
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2. asked by Maria Candea
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the recommended daily allowance of calcium is 1.2 g. calcium carbonate contains 12.0 % calcium by mass. how many grams of
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2. asked by Anonymous
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Which is not a factor for why your body needs calcium in significant amounts?A: Calcium is important in blood clotting B:
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