Group 7 (Halogens) Flashcards
All 5 cards in this deck
What name is given to group 7 of the periodic table?
The halogens. (Not 'halides': halides are the compounds or ions they form.)
What are the colour and physical state of chlorine at room temperature?
Yellow-green (green) gas.
What are the colour and physical state of bromine at room temperature?
Red-brown liquid — the only halogen that is a liquid at room temperature.
What are the colour and physical state of iodine at room temperature?
Dark grey solid.
What type of molecules do the halogen elements form?
Diatomic molecules — each molecule is two atoms joined together, e.g. , and .