PERIODIC SYSTEM

Match it! Select the correct answer from the pull down...Good luck!

The modern Periodic Table is arranged according to...

The Periodic Table contains...

The Periodic System contains...

The most abundant gas in the air is...

This element is an essential constituent of bones, teeth and shells

This element can prevent you from suffering anaemia...

The elements situated in the first group are called...

This element is used to make toothpaste because it protects teeth from decay..