Chemistry - Group 0 , 1 and 7 Flashcards
1
Q
Group 1 is also know as
A
Alkali Metals
2
Q
3 MAIN components of alkali metals are
A
1, low density
2, react wit non metals to form ionic compounds
3, form compounds that are white solids and dissolve in water to form colourless solution
3
Q
Elements in group 0 are called
A
Noble gasses
4
Q
2 MAIN points for noble gasses are
A
- chemically unreactive
- not easily form molecules because there atoms have full outer shells
5
Q
Group 7 is also know as
A
The Halogens
6
Q
5 MAIN components of the halogens are
A
- non metals
- consist of diatomic molecules
- react with metals to form ionic compounds where the halide ion is negitive charged
- form molecular compounds with non metals
- form hydrogen halides
7
Q
what does diatomic molecules mean
A
molecules made from 2 atoms
8
Q
Halogens become …. reactive as you go …… the group
A
- less
- down
9
Q
an outer shell electron gets ….. away from the attraction of the …… and so an electron is …… less easily
A
- further
- nucleus
- gained
10
Q
A more …… halogen will …….. a less reactive halogen from an aqueous solution of its metal halide
A
- reactive
- displace
