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PLEASE HELP MEEEEEEEEEEEEEEEEEEE

PLEASE HELP MEEEEEEEEEEEEEEEEEEE-example-1

2 Answers

2 votes
I think the answer is c
User Ironic
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Silicon (Si). This is too reactive to be found in nature and is the most reactive in the list, followed by Chlorine (Cl), then Argon (Ar) then Helium (He) 
User Ivan Kolmychek
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