Physics
mila99
2021-04-04 00:44:42
A single atom of an element has 21 neutrons, 20 electrons, and 20 protons. Which element is it?
ANSWERS
onelove23
2021-04-04 05:06:26

The answer would be Ca. Calcium

Yoley
2021-04-04 05:07:41

This element is calcium and it is an isotope of calcium. Calcium element has 20 electrons, 20 protons and 20 neutrons. Since this element has 21 neutrons, it will belong to element calcium but will be an isotope of it. 

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