Metals Flashcards
1
Q
why are metals good electrical conductors?
A
delocalised electron that can move
2
Q
why are metals malleable?
A
layers of positive metal ions slide over each other when fore is applied
3
Q
in a displacement reaction, what happens (in reference to reactivity) ?
A
the more reactive metal takes place of the less reactive one in a compound
4
Q
which metals can be extracted by electrolysis?
A
potassium, sodium, calcium, magnesium, aluminium
5
Q
which metals can be reduced by carbon?
A
zinc, iron, tin, lead
6
Q
which metals don’t need extracting?
A
copper, silver, gold, platinum