Atoms Flashcards
1
Q
What do all atoms contain
A
Protons
Neutrons
Electrons
2
Q
Where do you find the nucleus and what does it contain
A
In the centre
Contains protons and neutrons
3
Q
What is around the outside of the nucleus
A
electrons
4
Q
What are the two types of electric charge
A
positive and negative
5
Q
Similar charges …
A
repel
6
Q
opposite charges …
A
attract
7
Q
+ and +
A
repel
8
Q
+ and -
A
attract
9
Q
- and -
A
repel
10
Q
Protons are
A
positive
11
Q
Electrons are
A
Negative
12
Q
Neutrons have no charge so are
A
neutral
13
Q
How many electrons can each shell hold
A
1st - 2E
2nd- 8E
3rd- 8E
