Halogens

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

• Flourine

• Astatine

• Iodine

• Bromine

Which of the Halogens has green color?

• Chlorine

• Bromine

• Flourine

• Iodine

At room temperature, iodine is a....

• Gas
• Liquid
• Solid

What colour is bromine?

• orange-brown
• orange-red
• yellow-green
• yellow

At room temperature, chlorine is...

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

What state is fluorine at room temperature?

• solid
• liquid
• gas

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

• increases

• decreases

• doesn't change

• shows no trend.

Which halogens can displace bromide ions to make bromine?

• Fluorine and iodine.

• Fluorine and bromine.

• Fluorine and chlorine

• Chlorine and iodine.

Would a displacement reaction occur for Bromine + Potassium Iodide?

• Yes

• No

• Maybe

A displacement reaction involves...

• a solution turning brown or yellow.

• a less reactive element taking the place of a more reactive element.

• a dislocated hip.

• a more reactive element taking the place of a less reactive element.