magic0618 magic0618

02-03-2021
Chemistry

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An atom has a total of 3 electrons. There are 2 electrons in the first level and 1 electron in the second level. How many VALENCE electrons does it have?

Respuesta :

02-03-2021

Answer:

It has one valence electron.

Explanation:

number of electrons in the last shell is number of valence electrons.

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