Biology, asked by neha316, 1 year ago

an element X has mass number 35 and the number of neutrons is 18 .Identify the group number and period of X

Answers

Answered by Saikatthebat
0
The element is Chlorine.
situated at 3rd period, group vii
Answered by Kayne
2
You know that ...

:-):-):-)
atomic mass = no. of protons + no. of neutrons
no. of protons= atomic no.
in this case,
the atomic mass = 35 and
no. of neutrons = 18
so the no. of prontons(atomic number of x) = 35-18 = 17

Soo, the atomic number of x is 17.. that element is chlorine
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