Topic 1 Flashcards
1
Q
Describe how the Dalton model of an atom has changed over
time because of the discovery of subatomic particles
A
2
Q
Describe the structure of an atom
A
3
Q
Recall the relative charge of a proton
A
+1
4
Q
Recall the relative charge of a neutron
A
0
5
Q
Recall the relative charge of an electron
A
-1
6
Q
Recall the relative mass of a proton
A
7
Q
Recall the relative mass of a neutron
A
8
Q
Recall the relative mass of an electron
A
9
Q
Why do atoms contain equal numbers of protons and
electrons?
A
10
Q
Describe the size of a nucleus compared to the size of an atom
A
11
Q
Where is the most of the mass of an atom is concentrated?
A
In the nucleus
12
Q
What is the mass number of an atom?
A
13
Q
What is an isotope?
A
An atom of the same element that has the same number of protons but different number of neutrons
14
Q
Relative atomic mass formula
A
