The atomic number of an element is 4 and mass number is 9 then :
(A) what is the no. Of proton and neutron in it?
(B) write electronic configuration of it.
(C) what will be the valency of this element.
Answers
Answered by
1
A) no. of protons = 4
no. of neutrons= 5
B) EC= 2,2
C) valency = +2
kingofmyself:
ya
Answered by
1
no of proton 4
no of neutron 9-4=5
electronic configuration 2,2
valency 2(loose)
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