Chemistry, 03.09.2020 03:01 Delgadojacky0206
An electron is approximately 0.05% of the mass of a proton. Protons and neutrons each have a mass of 1 amu. Which of the following best describes the relationship between mass and subatomic particles?
A. The mass of an electron is equal to that of a neutron
B. Atomic mass is the total number of protons and electrons
C. A neutron has 0.05% more mass than an electron
D. The nucleus comprises over 99% of the atom's mass
Answers: 1
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An electron is approximately 0.05% of the mass of a proton. Protons and neutrons each have a mass of...
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