Key Words Flashcards
1
Q
What is relative atomic mass?
A
The average mass of an element across its isotopes compared to 1/12th of a Carbon-12 atom.
2
Q
What is atomic mass?
A
The mass of an element in amu from the number of protons and neutrons.
3
Q
What is molecular mass?
A
The mass of a molecule that’s equal to the sum of the masses of all the atoms in the molecule.
4
Q
What is empirical formula?
A
The simplest whole number ratio of atoms of each element in the compound
5
Q
What is molecular formula
A
Formula that gives the total number of atoms of each element in each molecule of a substance
6
Q
What is relative molecular mass?
A
The sum of all the relative atomic masses of the atoms in a molecule
