Group 7 (Halogens) Flashcards

All 6 cards in this deck

What are the colour and physical state of chlorine at room temperature?

Pale green gas.

What are the colour and physical state of bromine at room temperature?

Red-brown liquid.

What are the colour and physical state of iodine at room temperature?

Dark grey solid.

What happens to melting point, boiling point and density going down Group 7?

They all increase down the group.

Using the trend in Group 7, predict the colour and physical state of astatine at room temperature.

Grey (or black) solid.

True or false? Fluorine is a solid at room temperature.

False. Fluorine is above chlorine in Group 7, so it is a gas (pale yellow).