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17 votes
I need help with #5 please. thank you

I need help with #5 please. thank you-example-1
User Nzs
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1 Answer

14 votes
14 votes

Answer:

Atom 3

Step-by-step explanation:

Because it has electronic configuration of 10 which it is an atomic number of neon. And neon is a gas which is stable, hence does not react

User Siannopollo
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