Relative Masses
People
Acids and alkalis
Reactions
Periodic table
100

It is the relative molecular mass of water

What is 18?

100

Mendeleev

Who put together the 1st periodic table?

100
pH less than 7

What is an acid?

100

The salt made when sodium hydroxide reacts with hydrochloric acid

What is sodium chloride?

100

The columns of the periodic table

What are groups?

200

It is the relative molecular mass of carbon dioxide

What is 44?

200

Chadwick

Who discovered the neutron?

200

pH more than 7

What is an alkali?

200

The salt made when sodium hydroxide reacts with nitric acid

What is sodium nitrate?

200

The rows of the periodic table

What are periods?

300

It is the relative molecular mass of CH(methane)

What is 16?

300

Bohr

Who cam up with the idea of electron shells?

300

pH of 7

What is neutral?

300

The salt made when sodium hydroxide reacts with sulphuric acid

What is sodium sulphate?

300

It is the elements of Group 1

What are the alkali metals?

400

It is the relative molecular mass of FeO (Iron oxide)

What is 72?

400

Thompson

Who discovered the electron?

400

It is an indicator that goes red in acids and blue in alkalis

What is universal indicator?

400

The salt made when copper oxide reacts with sulphuric acid

What is copper sulphate?

400

It is the elements of Group 7

What are the halogens?

500

It is the relative molecular mass of Ca(OH)2

What is 74?

500

Rutherford discovered this using alpha particles and gold foil

What is the nucleus?

500

H2SOis its formula

What is sulphuric?

500

The salt made when a policeman works overtime?

What is Copper nitrate?

500
The elements also known as Group 0

What are the noble gases?