toshaaa1k
toshaaa1k toshaaa1k
  • 15-12-2015
  • Physics
contestada

A single atom of an element has 21 neutrons, 20 electrons, and 20 protons. Which element is it?

Respuesta :

naenae926 naenae926
  • 15-12-2015
The answer would be Ca. Calcium
Answer Link
emmarose24 emmarose24
  • 21-10-2020

Answer:

C

Explanation:

calcium

Answer Link

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