Halogens

Front

Halogens have _________ electrons in their outermost shell.

Back

7

Front

Halogens are the elements of group:

Back

7

Front

The atomic number of chlorine is 17, how many electrons does it contain?

Back

17

Front

______________ is commonly used as an antiseptic and is used to make drinking water safe and to treat swimming pools.

Back

Chlorine

Front

Halogens exist in the:

Back

diatomic state

Front

What are the four main halogens?

Back

Fluorine, Chlorine, Bromine, Iodine

Front

What state do halogens exist in at room temperature?

Back

Gas (Fluorine and Chlorine), Liquid (Bromine), Solid (Iodine)

Front

What is the most reactive halogen?

Back

Fluorine

Front

What is the common property of halogens?

Back

They are all nonmetals and have similar chemical properties.

Front

What happens when halogens react with metals?

Back

They form ionic compounds.