The number of electrons and neutrons in an element is 18 and 20 respectively. Its mass number is - - Study24x7
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95 followers study24x7 17 Jul 2020 03:22 PM study24x7 study24x7

The number of electrons and neutrons in an element is 18 and 20 respectively. Its mass number is -

A

22

B

2

C

38

D

20

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