1.3 Flashcards
1
Q
Empirical Formula
A
Formula showing the composition of a compound given as the simplest whole-number ratio of atoms
2
Q
Molecular Formula
A
Formula indicating the composition of a molecule of a compound and giving the actual number of atoms of each element in a molecule of the compound
3
Q
Percent Composition
A
Percentage by mass of the various elements in a compound
4
Q
Pure Substance
A
A substance made of only one type of element or one type of compound
5
Q
Chemical Formula
A
Ratio of each element in a compound using subscripts to show the ratio of elements in the smallest unit
6
Q
Formula Unit
A
The lowest whole number ratio of ions in an ionic compound