Lewis Dot Diagrams of Atoms Select the correct electron dot diagram for an atom of each...

Question

Question

Answer 1

Answer #1

Rb is in group 1.
So, it has 1 valence electrons

Se is in group 6.
So, it has 6 valence electrons

At is in group 7.
So, it has 7 valence electrons

The correct lewis structure is:
Rb: option 8
Se: option 1
At: 4

Answer 2

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