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nekit [7.7K]
3 years ago
8

When and how was discovered mercury?

Chemistry
1 answer:
masha68 [24]3 years ago
3 0
There is no single person who is credited with the discovery of Mercury. Mercury is one of the five planets that can be seen in the night sky without using a telescope or binoculars. The planet Mercury has been known since ancient times and was observed for thousands of years by the people of many different cultures.
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In forming a molecular compound, each atom should have ______ electrons around it unless there is some specific reasons why this
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In forming a molecular compound, each atom should have <u>valence</u> electrons around it unless there is some specific reasons why this cannot be achieved.

<h3>What is Valence Electrons ?</h3>

Valence electrons is a negatively charged particle present in the outermost shell of an atom.

Example: Oxygen has 6 valence electrons in its outermost shell, Water has 8 valence electrons.

Thus from the above conclusion we can say that In forming a molecular compound, each atom should have <u>valence</u> electrons around it unless there is some specific reasons why this cannot be achieved.

Learn more about the Valence Electrons here: brainly.com/question/371590

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2 years ago
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Answer: \frac{1}{17}

Explanation: \frac{2}{34}\cdot \:100\%\:=\frac{1}{17}

I tried my best, I hope this helps!

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