jahziah jahziah

26-06-2019
Chemistry

contestada

An atom with 4 protons, 5 neutrons, and 4 electrons has an atomic mass of _____ amu.
(place a whole number)

Respuesta :

damiagilbertt damiagilbertt

26-06-2019

Answer:

9

Explanation:

atomic mass = number of protons + number of neutrons = 4+5 = 9 amu

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arielclairfl arielclairfl

09-11-2020

Answer:

9

Explanation:

5 neutrons + 4 electrons = 9. We don't use protons in the calculation because the mass is so small that it can be ignored. Good luck ◕‿◕

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