C2 - Bonding, Structure And Properties Of Matter Flashcards
1
Q
What are ions
A
Ions are charged particles
2
Q
How are ions formed
A
Ions are formed when atom gain or lose electrons
3
Q
Negative ions are called anions .How are they formed ?
A
They form when atoms gain an electrons , meaning there is more electrons than protons
4
Q
Positive ions are called cations.How are they formed ?
A
They form when atoms lose electrons, meaning they have more protons than electrons
5
Q
Why does this loss or gain of electrons occur
A
To obtain a full outer shell of electrons.
6
Q
Group 1 and 2 elements are metals .They lose electrons to
A
Form positive ions
7
Q
Group 6 and 7 elements are non metals.They gain electrons to form
A
Positive iona
