7C1- particles and periodic table

Which is the most common gas in Earth's atmosphere?

When lighting a Bunsen burner the air hole should be....

What would aluminium bromate contain?

Which of the following is a property of metals?

what is the proportion of oxygen in air?

What might this particle diagram be?

Which is the following is an element?

Which gas makes a squeaky pop with a lit splint?

How many molecules are there in the diagram?

Which gas turns limewater cloudy?

which elements will magnesium oxide contain?

how many atoms are there in total in this particle diagram?

Which of these is a noble gas?

A compound of a nitrogen atom and one oxygen atom would be called?

What does the diagram show?

Whicy periodic table group has elements which are malleable?

Which gas relights a glowing splint?

What is the common name for calcium carbonate?

How many molecules are there in the diagram?

What colour will universal indicator go with sulphur dioxide?

Which group are he most reactive metals?