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Please help! Atomic number: 18 Mass number: 36
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2 votes
Please help!
Atomic number: 18
Mass number: 36

Please help! Atomic number: 18 Mass number: 36-example-1
User Umezo
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2 Answers

4 votes
Try Ar (Argon for short)
User Reini
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4 votes
The answer is Argon (Ar).
User ThisSuitIsBlackNot
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