chemistry - s3 metals Flashcards
1
Q
what are unreactive metals found uncombined called
A
native
2
Q
reactive metals are found in compounds called
A
ores
3
Q
metals that are not very reactive are extracted by?
A
heat
4
Q
metals of moderate reactivity are extracted by
A
carbon
5
Q
very reactive metals are extracted by
A
electrolysis
6
Q
metal + oxygen
A
metal oxide
7
Q
magnesium + oxygen
A
magnesium oxide
8
Q
zinc + oxygen
A
zinc oxide
9
Q
copper + oxygen
A
copper oxide
10
Q
what happens when magnesium reacts with oxygen
A
bright white light
11
Q
metal + water
A
metal hydroxide + hydrogen
12
Q
lithium + water
A
lithium hydroxide + hydrogen
13
Q
sodium + water
A
sodium hydroxide + hydrogen
14
Q
pottasium + water
A
pottasium hydroxide + hydrogen
15
Q
what happens when pottasium reacts with water
A
fizzes and skates on the surface
