matthewwhitlow matthewwhitlow

14-04-2018
Chemistry

contestada

The atomic mass of an element is equal to the number of:
protons

protons plus neutrons

protons plus electrons

neutrons

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hihello8 hihello8

14-04-2018

Atomic mass is protons and neutrons, because they both have a mass of 1 amu. Electrons have so little mass that they can be ignored. The answer is therefore B, protons plus neutrons

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boyntoncharisma boyntoncharisma

09-10-2018

B is the correct answer

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