2.1.2 Compounds, Formulae and equations Flashcards
1
Q
What is an ion? (GCSE answer)
A
A charged Particle
2
Q
Charges for all group 1 (Alkali metals) :
A
+1
(Loses one electron as an ion)
3
Q
Charge of a Hydrogen (H) ion:
A
+1
4
Q
Charge of Silver (Ag) :
A
+1
5
Q
Charge of Gold (Au) :
A
+1
* can vary to 3+
6
Q
Ammonium charge (NH4):
A
+1
7
Q
Group 2 charge:
A
2+
(loses 2 electrons)
8
Q
Zinc charge (Zn):
A
2+
9
Q
Phosphate ion charge (PO4):
A
3-
(gains 3 electrons)
10
Q
Group 6 charge:
A
2-
11
Q
Carbonate ion charge (CO3):
A
2-
12
Q
Sulfate Ion charge (SO4):
A
2-
13
Q
Group 7 charge :
A
1-
14
Q
Nitrate ion charge (NO3):
A
1+
15
Q
Hydroxide Charge (OH):
A
1+
