Structure of Atom Flashcards
1
Q
What three particles make up atoms?
A
Protons, neutrons and electrons.
2
Q
What is at the middle of an atom?
A
Nucleus
3
Q
What particles are in the nucleus?
A
Protons and neutrons.
4
Q
Where are electrons found in an atom?
A
In shells
5
Q
Charge on an electron?
A
-1
6
Q
Mass of electron?
A
Negligible
7
Q
Charge of neutron?
A
0
8
Q
Mass of neutron?
A
1
9
Q
Charge of proton?
A
+1
10
Q
Mass of proton?
A
1
11
Q
Max number of electrons in first shell?
A
2
12
Q
Max number of electrons in second shell?
A
8
13
Q
Max number of electrons in third shell?
A
8
14
Q
Max number of electrons in fourth shell?
A
8
