C1 Flashcards
1
Q
Group 1
A
The alkali metals
2
Q
Group 2
A
The alkaline earth metals
3
Q
Group 7
A
Halogens
4
Q
Group 0
A
The noble gases
5
Q
Atomic number
A
The number of protons in an atom
6
Q
Mass number
A
Number of protons + number of neutrons
7
Q
Ions
A
An atom with a positive or negative charge, based on the amount of electrons
8
Q
Isotopes
A
Atoms of the same element with different numbers of neutrons
