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A single atom of an element had 21 neutrons, and 20 electrons, and 20 protons which element is it ? K. Zr. Ca. Sc

A single atom of an element had 21 neutrons, and 20 electrons, and 20 protons which element is it ? K. Zr. Ca. Sc
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a single atom of an element had 21 neutrons, and 20 electrons, and 20 protons which element is it ? K. Zr. Ca. Sc

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User Sneaker
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The element is Calcium... Ca. A single atom of an element had 21 neutrons, and 20 electrons, and 20 protons is Calcium.

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User Rob Reagan
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You element is calcium.

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User Matt Razza
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A single atom of an element has 21 neutrons, 20 electrons, and 20 protons. Which element is it? K Zr Ca Sc
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