Chemistry

Chemistry, 02.09.2019 13:30, calvinclifton

One twelfth the mass of a carbon-12 atom is used to define a(an)
a. atomic mass.
b. mass number.
c. atomic number.
d. atomic mass unit.

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One twelfth the mass of a carbon-12 atom is used to define a(an)
a. atomic mass.
b. mass...

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