olamitejufaye olamitejufaye

28-09-2020
Chemistry

contestada

What is the mass number, symbol, and charge of an atom that contains 19 protons, 20 neutrons and 19 electrons?

Respuesta :

jcherry99 jcherry99

07-10-2020

Answer:

Explanation:

mass number = 19 + 20 = 39 (protons + neutrons)

The charge is 0. This is an atom

The symbol = K

Protons: 19

Electrons: 19

Neutrons: 20

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