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kaylagoof4140
10.03.2021 •
Chemistry
Which particle has the least mass
a. electron
b. proton
c. neutron
d. all have the same mass
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Ответ:
electron
Explanation:
Ответ:
b. proton
Explanation:
The mass of an electron is only about 1/2000 the mass of a proton or neutron, so electrons contribute virtually nothing to the total mass of an atom. Electrons have an electric charge of −1, which is equal but opposite to the charge of a proton, which is +1.
Ответ: