Symbols, Formulae And Equations Flashcards
1
Q
Diatomic elements
A
Hydrogen (H2), nitrogen (N2), oxygen (O2), Fluorine (F2), Chlorine (Cl2), Iodine (I2)
2
Q
How many atoms do diatomic elements have in each molecule
A
2
3
Q
Ionic equations
A
Equations that can be written just using the ions involved
4
Q
State symbols
A
(s) - solid
(l) - liquid
(g) - gas
(aq) - aqueous solution
5
Q
What are elements represented by
A
Atomic Symbols (on the periodic table)
6
Q
What are compounds represented by
A
Represented by formulae worked out using valency
7
Q
Group 1 valency
A
1
8
Q
Group 2 valency
A
2
9
Q
Group 3 valency
A
3
10
Q
Group 5 valency
A
3
11
Q
Group 4 valency
A
4
12
Q
Group 6 valency
A
2
13
Q
Group 7 valency
A
1
14
Q
Reactants
A
On left hand side of word equation
15
Q
Products
A
On right hand side of word equation
