LAIMS ASMEU GUE NUN)
01.
The number of electrons and neutrons of an element is 18 and 20 respectively. Its mass number
is
(1) 37
(2) 17
(3) 38
(4) 22
Answers
Answered by
3
Answer:
38 is its mass number.. .. .. .. .. .. .
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Answered by
0
Answer:
hey buddy here it your answer
mass no.=no.of protons+ no.of neutrons
=18+20
=38
hope it helps...
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