Write the chemical formula for hydrogen
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Answer:
H2 is the correct answer
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Answer:
HCl
Explanation:
The chemical symbol of hydrogen is H and of chlorine is Cl and the valency of both the elements is 1. Hydrogen tends to gain 1 electron to gain stability and chlorine tend to gain 1 electron to complete its octet. So, one hydrogen atom reacts with one chlorine atom, so the chemical formula of the one molecule of hydrogen chloride is HCl.
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