FallenAngel995 FallenAngel995

03-10-2020
Chemistry

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Why don’t all of the particles in an atom contribute to the mass?

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DragonPup315 DragonPup315

03-10-2020

Answer:

Explanation:

The mass of an atom is dependent on its number of protons and neutrons. Electrons have mass, but are too light in comparison to protons and neutrons to contribute towards the overall mass. Their relative mass is about 1/1840 compared to 1 for protons and neutrons, and therefore are not counted in the mass.

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