It is the relative molecular mass of water
What is 18?
Mendeleev
Who put together the 1st periodic table?
What is an acid?
The salt made when sodium hydroxide reacts with hydrochloric acid
What is sodium chloride?
The columns of the periodic table
What are groups?
It is the relative molecular mass of carbon dioxide
What is 44?
Chadwick
Who discovered the neutron?
pH more than 7
What is an alkali?
The salt made when sodium hydroxide reacts with nitric acid
What is sodium nitrate?
The rows of the periodic table
What are periods?
It is the relative molecular mass of CH4 (methane)
What is 16?
Bohr
Who cam up with the idea of electron shells?
pH of 7
What is neutral?
The salt made when sodium hydroxide reacts with sulphuric acid
What is sodium sulphate?
It is the elements of Group 1
What are the alkali metals?
It is the relative molecular mass of FeO (Iron oxide)
What is 72?
Thompson
Who discovered the electron?
It is an indicator that goes red in acids and blue in alkalis
What is universal indicator?
The salt made when copper oxide reacts with sulphuric acid
What is copper sulphate?
It is the elements of Group 7
What are the halogens?
It is the relative molecular mass of Ca(OH)2
What is 74?
Rutherford discovered this using alpha particles and gold foil
What is the nucleus?
H2SO4 is its formula
What is sulphuric?
The salt made when a policeman works overtime?
What is Copper nitrate?
What are the noble gases?