Laws of Chemical Combination
Quick practice
Question 1 of 5
Which of the following best defines the Molecular Mass of a substance?
A
The density of the molecule relative to water.
B
The sum of the atomic masses of all the atoms in a molecule of that substance.
C
The mass of a single atom of the substance in grams.
D
The total number of protons and neutrons in the nucleus of the molecule.
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