Group 7- The Halogens

TRENDS

As you go DOWN Group 7, the HALOGENS properties:

LESS REACTIVE...........because it's harder to gain an extra E, because the outer shell's further from the nucleus

HIGHER MELTING POINT

HIGHER BOILING POINT

HALOGENS are ALL Non-metals with Coloured Vapours

Fluorine is a very reactive, poisonous yellow gas

Chlorine is a fairly reactive, poisionous dense green gas

Bromine is a dense, poisionous, red-brown…