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A single atom of an element has 21 neurons 20 electrons and 20 protons which element is it?

A single atom of an element has 21 neurons 20 electrons and 20 protons which element is it?
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2 votes
A single atom of an element has 21 neurons 20 electrons and 20 protons which element is it?

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User Redestructa
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2 Answers

2 votes

The element with atomic number 20 is calcium .

answered
User Markus Malkusch
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8.8k points
6 votes

Answer:

Calcium

Step-by-step explanation:

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User Snj
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