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1) Element X has a nucleon (mass) number of 19 and a proton (atomic) number of 9. To which group in the Periodic Table does it belong? A) 1 B) 3 C) 7 D) 0
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1) Element X has a nucleon (mass) number of 19 and a proton (atomic) number of 9.

To which group in the Periodic Table does it belong?
A) 1 B) 3 C) 7 D) 0

User Chad Edrupt
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1 Answer

6 votes

Answer:

Halogen group (group 17)

Hope it helps:)

User Carbontracking
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