Periodic table
Hydrogen
What has the mass number of one
J.J. Thomson
Who discovered electrons
A squeaky pop
What should you hear in the test for hydrogen if it is present
118
How many elements are there
Ernest Rutherford
Who discovered the proton
re-lights
What should happen in the experiment for oxygen
mass number of three
What is Lithium's mass number
Frederick Soddy
Who discovered isotopes
Limewater
What should you use for the experiment for CO2
16-8=8
How do you work out the number of neutrons in oxygen
1649
When was the first element dicovered
Pink
What colour odes cobalt chloride turn in the presents of water
Water, fire, earth and air
What are the first elements
Phosphorous
What was the first element discovered
Acidic
What term can be used to describe non-metal oxides?