son1S2arabluey son1S2arabluey

22-10-2016
Chemistry

contestada

How many valence electrons does a helium atom have?

Respuesta :

22-10-2016

Helium atoms has TWO electrons in valence shell....

Answer Link

Sliggerpedia Sliggerpedia

31-10-2018

Answers are;

1. A (The answer is 2)

2. K+

3. It gains electrons.

4. The attraction of metal ions to mobile electrons

5. A caution and an anion

6. Body-centered cubic

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