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Witch component of the atom has the least mass. A. protons B. electrons C. neutrons D. all the same size
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Witch component of the atom has the least mass. A. protons

B. electrons
C. neutrons
D. all the same size

User NeoDarque
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1 Answer

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Protons and Neutrons are the same size and have the same mass (1Amu)

If you notice, atomic mass is protons + Neutrons.

The mass of an electron is so small that it is often neglected in terms of calculations.

B electrons is the answer
User Ian Yang
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