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  • 16-04-2021
  • Chemistry
contestada

What subatomic particle is not considered when calculating atomic
mass?
electrons
protons
neutrons

Respuesta :

premedchemist
premedchemist premedchemist
  • 16-04-2021

Answer:

Electrons are not considered.

Explanation:

An electron's mass is around 9.1 * 10^-31 kg, whereas the mass of protons and neutrons is around 1.7 * 10^-27 kg. Since electrons are about 1000x smaller than protons and neutrons, they are not considered to contribute significantly to the atomic mass.

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