C3 Flashcards
1
Q
What ion do group 1 makes
A
1+
2
Q
What ions does group 2 makes
A
2+
3
Q
What ions do group 3 make
A
3+
4
Q
What ions do group 4 make
A
They dont lol
5
Q
What ion do group 5 make
A
3-
6
Q
What ion do group 6 make
A
2-
7
Q
What ion do group 7 make
A
1-
8
Q
Name 3 features of a giant covalent structure
A
- covalent bonds so they are strong
- high melting points
- dont conduct electrcity
9
Q
Examples of giant covalent structure
A
Diamond, graphite, sillicon dioxide
10
Q
Give 4 examples of allotropes of carbon
A
Diamond, graphite (graphene layer), fullerenes, nanotubes
11
Q
What is a good use of fullerenes
A
Lubricants
12
Q
Features of metallic bondings
A
Delocolised electrons so can conduct electricity, solid at room temp, good conductor of heat, malleable
13
Q
What are the three states of matter
A
Solid, liquid, gas
14
Q
Solid to liquid
A
Melting
15
Q
Liquid to solid
A
Freezing
