kiddaliyah2007 kiddaliyah2007
  • 09-05-2020
  • Chemistry
contestada

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

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applechunks applechunks
  • 09-05-2020

Answer:

Calcium

Explanation:

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Аноним Аноним
  • 09-05-2020

The element with atomic number 20 is calcium .

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