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what particle has a mass of approximately one atomic mass unit? a. proton b. electron c....

what particle has a mass of approximately one atomic mass unit?
a. proton

b. electron

c. carbon-12 nucleus

d. oxygen-16 nucleus

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Answer #1

Electrons barely weigh anything so you can neglect that negative bad boy. Carbon has 6 protons and about 6 neutrons to yield an Atomic Mass Unit (AMU) of 12. Oxygen totally has the same reason behind Carbon, 8 protons and 8 neutrons.

Protons weigh the same amount as a neutron which is 1 AMU.

So 1 proton = 1 AMU

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Answer #2

a. proton.

The mass of a proton is 1.67262178

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