C3.2 - Atoms into ions Flashcards
1
Q
Why do atoms react?
A
To gain/lose electrons in order to gain a full, stable outer shell
2
Q
covalent bonding meaning
A
- occurs between non-metals only
- sharing of electrons
3
Q
ionic bonding meaning
A
- occurs between non-metal + metal
- transferring of electron
4
Q
Ways atoms retain a full outer shell
A
By:
- covalent bonding
- ionic bonding
5
Q
Ionic bonding explanation:
A
- as electrons are lost/gained
- the atom then has an overall charge (positive/negative)
- then electrostatic forces bind them together
6
Q
Electrostatic forces
A
- acts in all directions
- very strong
- occur in ionic compounds