Chemistry

Chemistry, 06.10.2019 01:00, juliannxkim

One twelfth of the mass of a carbon-12 atom is used to define a

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Physics, 30.08.2019 03:50, ronniethefun

An atomic mass unit is equal to a. one-half the mass of a hydrogen atom. b. one-fourth the mass of a lithium atom. c. one-twelfth the mass of a carbon-12 atom. d. one-fifteenth the mass of a nitrogen-15 atom.

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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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Physics, 03.09.2019 05:20, babygirlgabby7265

Suppose that the atomic mass unit (amu) had been defined as one-twentieth of the average mass of an atom of carbon instead of one-twelfth of the mass of an atom of carbon-12. what would the average atomic mass of aluminum be on this new scale? answers

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Chemistry, 12.10.2019 02:30, PotatoBananad

An atomic mass unit is equal to a. one-half the mass of a hydrogen atom. b. one-fourth the mass of a lithium atom. c. one-twelfth the mass of a carbon-12 atom. d. one-fifteenth the mass of a nitrogen-15 atom.

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