Atoms Flashcards
1
Q
Isotope
A
Different atomic forms of the same element, which have the same number of protons but different number of neutrons
2
Q
Proton relative mass
A
1
3
Q
Neutron relative mass
A
1
4
Q
Electron relative mass
A
1/1836
5
Q
Proton relative charge
A
+1
6
Q
Neutron relative charge
A
0
7
Q
Electron relative charge
A
-1
8
Q
Atomic number
A
Number of protons
9
Q
Number of electrons equals
A
Number of protons
10
Q
Mass number
A
Number of protons and neutrons
11
Q
How do you work out the number of neutrons
A
Mass number - number of protons
12
Q
What is the relative atomic mass
A
average mass of the isotopes of the element
13
Q
Silver charge
A
Ag+
14
Q
Copper charge
A
Cu2+
15
Q
Iron charge
A
Fe2+ or Fe3+