busakwenokhwezi busakwenokhwezi

14-02-2022
Chemistry

contestada

which atom has 20protons and 18 electrons?!

Respuesta :

14-02-2022

Explanation:

The atomic number 20 Is the element calcium (Ca). The electron deficit of 2 indicates that it has a positive charge.

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liamhudson310 liamhudson310

14-02-2022

It should be calcium atom, or Ca^2+

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