Topic 1 Flashcards
1
Q
What is the element definition
A
An element is a substance that consists of only one type of atom and it cannot be broken down into anything simpler by chemical means
2
Q
What Is an atom
A
An atom is the simplest particle of an element that can exist on its own.
3
Q
What is a molecule?
A
A molecule has two or more atoms joined together
4
Q
Hydrogen
A
H
5
Q
Lithium
A
Li
6
Q
Sodium
A
Na
7
Q
Potassium
A
K
8
Q
Magnesium
A
Mg
9
Q
Calcium
A
Ca
10
Q
Barium
A
Ba
11
Q
Aluminium
A
Al
12
Q
Iron
A
Fe
13
Q
Silver
A
Ag
14
Q
Carbon
A
C
15
Q
Silicon
A
Si
16
Q
Lead
A
Pb
17
Q
Nitrogen
A
N
18
Q
Phosphorus
A
P
19
Q
Oxygen
A
O
20
Q
Sulfur
A
S
21
Q
Chlorine
A
Cl
22
Q
Bromine
A
Br
23
Q
Iodine
A
I
24
Q
What is a compound?
A
A compound is a substance formed when two or more (different) elements are chemically combined
25
What is a mixture
A mixture is two or more substances mixed together which are usually easy to separate
