Physics, asked by Barath24023Maths, 7 months ago

If an element contains only one valence electron then it is a *​

Answers

Answered by parveenshidra
1

Explanation:

A: Any element in group 1 has just one valence electron. Examples include hydrogen (H), lithium (Li), and sodium (Na). Any element in group 18 has eight valence electrons (except for helium, which has a total of just two electrons). Examples include neon (Ne), argon (Ar), and krypton (Kr).

Answered by rudraprasadchoudhury
1

The most reactive kind of metallic element is an alkali metal of group 1 (e.g., sodium or potassium); this is because such an atom has only a single valence electron; during the formation of an ionic bond which provides the necessary ionization energy, this one valence electron is easily lost to form a positive ion ( ...

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