1
Q
How are elements ordered?
A
By ascending order of atomic numbers
2
Q
What are the horizontal rows called?
A
Periods
3
Q
What are the vertical groups called?
A
Groups
4
Q
What’s group 1?
A
Alkali metals
5
Q
What’s group 7?
A
Halogens
6
Q
What’s group 0 called?
A
Noble gases
7
Q
How does the reactivity change further down the group in group 1?
A
Increases
8
Q
How does the reactivity change further down the group in group 0?
A
Decreases
9
Q
Properties of metals?
A
Lustrous Sonorous Good conductors Ductile Malleable
10
Q
What happens when lithium reacts with water?
A
Fizzing
11
Q
What happens when rubidium reacts with water?
A
Explodes
12
Q
What’s special about mercury?
A
Only metal that’s a liquid at room temperature
Chemistry Year 8
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