Chemistry, 03.02.2020 03:04, bejaranobella07
The atomic mass of an element is a. the sum of the protons and neutrons in one atom of the element. b. twice the number of protons in one atom of the element. c. a ratio based on the mass of a carbon-12 atom. d. a weighted average of the masses of an element’s isotopes.
Answers: 3
Chemistry, 22.06.2019 08:30, Blaise2653
Joan writes four numbers on the board in standard form, and then she writes their scientific notation
Answers: 1
The atomic mass of an element is a. the sum of the protons and neutrons in one atom of the element....
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