C3.1.1 - Formulae of elements and molecules Flashcards
1
Q
What does a diatomic molecule contain?
A
2 atoms covalently bonded together
2
Q
What does the molecular formula for a simple covalent compound show?
A
- the symbols for each element it contains
- the number of atoms of each element in one of its molecules
3
Q
What is Al(OH)3?
A
Aluminium Hydroxide
4
Q
What is Al2(SO4)3?
A
Aluminium Sulfate
5
Q
What is Na2CO3?
A
Sodium Carbonate
6
Q
What is KF?
A
Potassium Fluoride
7
Q
What is Mg(OH)2?
A
Magnesium Hydroxide
8
Q
What is HNO3?
A
Nitric acid
9
Q
What is NH4Cl?
A
Ammonium Chloride
10
Q
What is H2SO4?
A
Sulfuric acid
11
Q
What is HCl?
A
Hydrochloric acid
12
Q
What is LiOH?
A
Lithium Hydroxide
13
Q
What is Ba(NO3)2?
A
Barium Nitrate
14
Q
What is H2CO3?
A
Carbonic acid
