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satela [25.4K]
3 years ago
15

Identify an element as a metal or a non-metal according to its position in the Periodic Table

Chemistry
1 answer:
Anestetic [448]3 years ago
4 0

Answer:

Metals on the left of the Periodic Table.

Non-Metals on the top-right, plus Hydrogen.

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Calcium forms ions with a charge of +2. Iodine forms ions with a charge of -1. Which of the following would represent an ionic c
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 The   formula that would represent an ionic  compound  that is composed of calcium and iodide ions  is   CaI2

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Ionic compound  CaI₂ is formed  when Calcium form cation ( <em>a positively charged ion</em>) by losing 2 electrons while two iodine atoms form  anion ( <em>a negatively charged ion</em>)  by  gaining one electron each.

When writing down   formula of ionic compound, the formula  of cation  is written  first followed by anion  formula. therefore  Ca is written  first  followed by I.

The numeric subscript 2 after I(iodine) indicate that 2 atoms of iodine are involved  in bonding.

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