Chemistry, asked by amritham788, 6 months ago

an element X has mass number 40 and contain 21 neutrons in its atom .To which group of the periodic table does it belong?

plz give explanation also
make it fast

Answers

Answered by 22AA

2

Answer:

yess!!!it is potassium which lie in s-block and and period 4

Answered by smosan75

37

Answer:

k pottasium..............

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