Chemistry, asked by 25ezrijmontielgarcia, 8 months ago

The atomic mass of an element is equal to the:
number of protons
atomic number
number of protons and neutrons
mass of protons, neutrons, and electrons

Answers

Answered by priyankadanu113

Answer:

mass of proton neutron and electron

Explanation:

The mass of any atom is equal to the mass of the protons, neutrons and electrons that make it up, but 1 electron has about 1/2000 of the mass of a proton, so they don't count for much. In this video Sal specifically mentioned hydrogen where 99.9% of hydrogen atoms have 0 neutrons.

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Answered by saratsatvik

Answer:

The positively charged protons tend to repel each other, and the neutrons help to hold the nucleus together. The number of protons is the atomic number, and the number of protons plus neutrons is the atomic mass. For hydrogen, the atomic mass is 1 because there is one proton and no neutrons.

Explanation:

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