halogens

what are the halogens?

• oxygen , hydrogen , argon

• fluorine,chlorine,bromine,lodine,astatine

• carbon, hydrogen,oxygen

• sodium, potassium,calcium

which halogen is the lightest?

• chlorine

• bromine

• Lodine

• fluorine

what do halogens have in common?

• they are highly reactive

• they are metals

• they are all gases

• they are all non reactive

which halogen is in table salt?

• bromine

• chlorine

• Lodine

• fluorine

what is iodine at room temperature

• solid

• liquid

• gas

• plasma

which halogen is used to clean water?

• bromine

• chlorine

• Lodine

• astatine

what color is a gas at room temperature?

• red

• blue

• yellow-green

• colorless

which halogen is the most reactive?

which halogen is a gas at room temperature?

• Lodine

• bromine

• chlorine

• astatine

can halogens make salts?