asked 83.4k views
5 votes
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

1 Answer

6 votes

Answer:

Halogen group (group 17)

Hope it helps:)

answered
User Carbontracking
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