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3 years ago

What is the ground-state electron configuration of chlorine and the number of valence electrons in it?

Chemistry

1 answer:

SSSSS [86.1K]3 years ago

8 0

Explanation:

Chlorine is an element in group 7 on the periodic table.

It is the second element in this group of halogens

The element has a total of 17 electrons:

Ground state configuration = 1s² 2s² 2p⁶ 3s² 3p⁵

Valence electrons are the outermost shell electrons;

From the configuration: 3s² 3p⁵ is the valence shell

Number of electrons = 2 + 5 = 7

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$m_{HgCl_2}=42.7gHgCl_2$

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Hello,

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$m_{HgCl_2}=46.6gHgSO_4*\frac{1molHgSO_4}{296.65 gHgSO_4}*\frac{1molHgCl_2}{1molHgSO_4} *\frac{271.52gHgCl_2}{1molHgCl_2} \\\\m_{HgCl_2}=42.7gHgCl_2$

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