Lebel Flashcards
1
Q
Chemical nomenclature
A
The organized system a chemist uses to name substances and write their chemical formulas.
2
Q
Chemical formula
A
Represents the number of each kind of atom bonded together in a substance.
3
Q
Subscript
A
The number of atoms or ions present in the formula.
4
Q
Compounds
A
Pure substances that contain more than one kind of atom or ion.
5
Q
Ionic compounds
A
Form when oppositively charged ions are attracted to each other by means of an ionic bond, a very strong force of electrostatic attraction.
6
Q
Exceptions to the H Acid Rule
A
H2S hydrogen sulfide; HCl hydrogen chloride; HCN hydrogen cyanide
