Group 7 Elements

Which of the "Halogens" is found in liquid state at room temperature?

• Flourine

• Astatine

• Iodine

• Bromine

At room temperature, iodine is a....

• Gas
• Liquid
• Solid

At room temperature, chlorine is...

• a yellow-green gas
• a brown gas
• a yellow-green liquid

As you move down the group, halogens' reactivity...

• increases

• decreases

• doesn't change

• shows no trend.

How many electrons do the halogens all have in their outer shells?

• 1

• 2

• 7

• 8

The Halogens are found in which group number?

• 5

• 6

• 7

• 0

As you go down the group, how does the boiling point of the halogen elements change?

• Increases

• Decreases

• They're all about the same

True or false? Halogens are metals.

• True

• False

True or false? Halogens are good conductors of heat and electricity.

• True

• False

Are the Halogens toxic?

• Yes

• No