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Yuri [45]
3 years ago
15

Element X reacts with chlorine to form an ionic compound that has the formula XCl₂. To which group on the Periodic Table could e

lement X belong?
Chemistry
1 answer:
marishachu [46]3 years ago
4 0

Answer:

<u>Group 2 is the correct answer.</u>

Explanation:

<u>Chlorine has a charge -1. It means that X is +2 so that the formula is XCl2. </u>

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There are 0.0214 mol Cs in 1.29×10²² atoms Cs.

Use <em>Avogadro’s number</em> to convert atoms of Cs to moles of Cs.

Moles of Cs = 1.29×10²² atoms Cs × (1 mol Cs /6.022 × 10²³ atoms Cs) = 0.0214 mol Cs

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Olin [163]

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