Formulae, equations and Hazards Flashcards
1
Q
What is the formula for water?
A
H2O
2
Q
What is the formula for Carbon Dioxide?
A
CO2
3
Q
What is the formula for Chlorine?
A
Cl2
4
Q
What is the formula for Ammonia?
A
NH3
5
Q
What is the formula for Hydrogen?
A
H2
6
Q
What is the formula for Oxygen?
A
O2
7
Q
What is the formula for Ammonium ion?
A
NH4-
8
Q
What is the formula for Hydroxide ion?
A
OH-
9
Q
What is the formula for Nitrate ion?
A
NO3
10
Q
What is the formula for Carbonate ion?
A
CO3^2-
11
Q
What is the formula for sulphate ion?
A
SO4^2-
12
Q
How do you form an ionic equation?
A
- Any aqueous ions will break into their individual ions so write any aqueous ions separately
- Any aqueous ions that are present on both sides cancel out
13
Q
What does the state symbol (s) mean?
A
Solid
14
Q
What does the state symbol (l) mean?
A
Liquid
15
Q
What does the state symbol (g) mean?
A
Gas
