andrewaaaaa andrewaaaaa

20-01-2021
Biology

contestada

An atom that has 19 protons, 21 neutrons, and 18 electrons has a mass of ____? *

Respuesta :

kaitlynworley0103 kaitlynworley0103

22-01-2021

Answer:

19 - Potassium - K.

Explanation:

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