Reactions Flashcards
(9 cards)
1
Q
What is the mnemonic for the metals
A
Please stop licking cats my aunts zebra is happy ( + copper silver gold)
2
Q
Name the 2 types of changes
A
Physical and chemical
3
Q
Name all the metals
A
Potassium sodium lithium calcium magnesium aluminium zinc iron hydrogen copper silver gold
4
Q
Mass is
A
Neither created or destroyed
5
Q
___ is nether created or destroyed
A
Mass
6
Q
What are 3 signs of chemical change
A
Odour Color and temp change
7
Q
What is displacement
A
When a more reactive metal displaces a less reactive metal
8
Q
A chemical change is
A
When atoms rearrange to create new substances
9
Q
Which change is reversible
A
Physical
