GCSE to AS Level Flashcards
1
Q
How does a group, e.g Group 1, become an ion?
A
It will lose or gain an electron to make a full outer shell
2
Q
Define molecule
A
Two or more atoms chemically bonded together
3
Q
Define compound
A
Two or more atoms chemically bonded together, however they can be different elements
4
Q
What is the rule about ions ending in -ide?
A
They are a monatomic atom
5
Q
What is the rule about ions ending in -ate?
A
It contains oxygen
6
Q
What is the rule about ions ending in -ite?
A
It contains oxygen (but less than an -ate ion)
7
Q
Define ionic bonding
A
Electrostatic attraction from two oppositely charged atoms
8
Q
Define covalent bonding
A
A shared pair of electrons between two or more atoms
