C2.1 - Purity and Separating Mixtures Flashcards
1
Q
What is relative atomic mass? (2)
A
The mean mass of an atom of an element compared to 1/12th the mass of a carbon-12 atom.
2
Q
What is relative formula mass? (2)
A
The mean mass of a unit of substance compared ton1/12 the mass of a carbon-12 atom.
3
Q
What is empirical formula? (2)
A
The simplest whole number ratio of the atoms of each element in a chemical formula
