Periodic table
History
Experiments
100

Hydrogen

What has the mass number of one

100

J.J. Thomson

Who discovered electrons

100

A squeaky pop

What should you hear in the test for hydrogen if it is present

200

118

How many elements are there

200

Ernest Rutherford

Who discovered the proton

200

re-lights

What should happen in the experiment for oxygen

300

mass number of three

What is Lithium's mass number

300

Frederick Soddy

Who discovered isotopes

300

Limewater

What should you use for the experiment for CO2

400

16-8=8

How do you work out the number of neutrons in oxygen

400

1649

When was the first element dicovered

400

Pink

What colour odes cobalt chloride turn in the presents of water

500

Water, fire, earth and air

What are the first elements

500

Phosphorous

What was the first element discovered

500

Acidic

What term can be used to describe non-metal oxides?

M
e
n
u