The structure of the atom Flashcards
1
Q
What does the nucleus contain?
A
Protons and neutrons
2
Q
What moves around the nucleus of an atom?
A
Electrons
3
Q
Whats the charge of a atom
A
0
4
Q
Whats an electrons charge?
A
-1
5
Q
Whats a nutrons charge?
A
0
6
Q
Whats a protons charge?
A
+1
7
Q
Whats the mass of a proton?
A
1
8
Q
Whats the mass of a nutron?
A
1
9
Q
Whats the mass of an electron?
A
0
10
Q
Whats the overall charge of the nucleus?
A
Postive
11
Q
Explain why the nucleus has a positive charge?
A
Becase it contains protons wich have a positive charge and nutrons have no charge
12
Q
What percentage of the atoms mass is in the nucleus?
A
More then 99%
13
Q
Wht will happen to an electron if it emits electromagnetic radiation?
A
It will move form a higher to lower orbit
