Compounds + formulae Flashcards
1
Q
What is nitrate ion?
A
NO3 / 1-
2
Q
What is carbonate?
A
CO3 / 2-
3
Q
What is Sulphate?
A
SO4 / 2-
4
Q
What is Hydroxide?
A
OH / 1-
5
Q
What is Ammonium?
A
NH4 / 1+
6
Q
What is Silver?
A
Ag/ 1+
7
Q
What is molecular formula?
A
Shows the no + type of atoms of each element present in a molecule
8
Q
Empirical formula
A
The simplest whole number ratio of atoms of each element in a compound
9
Q
Water of crystallisation
A
H2O molecules that are bonded into a crystalline structure of a compound
10
Q
Assumptions in experimental formula for hydrated salt
A
1) all water has been lost
2) no further decomposition
11
Q
What is sulphite?
A
SO3²-
