Atoms & Ions + Balancing Equations Flashcards
1
Q
What is a loss of electrons called ?
A
Oxidisation
2
Q
Why does an ion have a + charge ?
A
It has lost an electron
3
Q
What does the term ‘balance’ mean ?
A
Show correct number of atoms
4
Q
What are ions arranged in ?
A
A lattice
5
Q
Why does a compound have a high melting point ?
A
Strong ionic bonds
Lots of bonds in a large lattice
6
Q
What does electric conductivity require ?
A
Charged particles that can move freely
7
Q
Two components to the structure of metal ?
A
A lattice
Sea of delocalised electrons
