Chemistry, asked by tttt36718, 1 month ago

elements a. b c
mass no. 23. 20. 35
neutrons. 12. 10. 18

1)to which groups do abc belong

2)to which periods ABC belong

3)which is alkali,noble gas,halogen

Answers

Answered by srivastav10100arya

0

Answer:

35-HALOGEN,20-CALCIUM,23-VANADIUM

Explanation:

35-GROUP17

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