3.3.2 Ionic Formulae Flashcards
1
Q
How are ion charges and groups in the periodic table linked?
A
Ions from the same periodic table group have the same charge.
2
Q
In any ionic compound, the charges…
A
…balance, positive = negative.
3
Q
What is the formula for sodium iodide?
A
NaI
4
Q
What is the formula for Iron(III) Oxide?
A
Fe2O3
5
Q
What is the formula of Ammonium?
A
NH4+
6
Q
What is the formula of Hydroxide?
A
OH-
7
Q
What is the formula of Nitrate?
A
NO3-
8
Q
What is the formula of Carbonate?
A
CO3-2
9
Q
What is the formula of Sulphate?
A
SO4-2
10
Q
What is the formula of Phosphate?
A
PO4-3
11
Q
What are the ionic charges you can’t work out from the periodic table?
A
-Fe2+
- Fe3+
- Cu2+
-Ag+
-Zn2+
-Pb2+
