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Lana71 [14]
3 years ago
13

The chemical formula for calcium chloride, cacl2, shows that the compound contains two _________52.________ ions for every _____

______53._______ ion.
Chemistry
1 answer:
Margaret [11]3 years ago
7 0
The chemical formula for calcium chloride, CaCl₂,<span> hows that the compound contains two chlorine ions for every calcium ion.
Ca is a group 2 element with 2 electrons in its outer shell. Cl is a group 7 element with 7 electrons in the outermost shell.
When it forms an ionic compound, electrons are transferred from Ca to Cl.
Ca gives out 2 electrons becomes Ca</span>²⁺ and Cl can take only one electron -Cl⁻<span> and become stable. Therefore 2 Cl atoms are needed to take in the 2 electrons and be stable.
Therefore compound formed between 1 </span>Ca²⁺ ion and 2 Cl⁻ ions.
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