Topic 2 - Bonding Flashcards
1
Q
When does an atom become an ion?
A
When it gains or loses an electron
2
Q
What type of bonding occurs between a metal and a non-metal ?
A
Ionic bonding
3
Q
Do opposite charges attract or repel each other ?
A
Attract, needs a lot of energy to break apart ( this attraction is called an ionic bond)
4
Q
What type of bonding occurs between two non-metals?
A
Covalent bonding (sharing electrons )
5
Q
What does a covalent bond always result from ?
A
A shared pair of electrons.
6
Q
What is metallic bonding ?
A
It’s the attraction between the positive ions and delocalised electrons
