AQA The Halogens Quiz

Which of the following is a Halogen?

• Oxygen

• Chlorine

• Nitrogen

• Neon

Which of these elements is a Halogen?

• Sodium

• Fluorine

• Helium

• Carbon

What is the general trend in reactivity as you move down Group 7 (the Halogens)?

• Reactivity increases

• Reactivity stays the same

• Reactivity decreases

• Reactivity fluctuates

Which of the following Halogens is the most reactive?

• Iodine

• Chlorine

• Bromine

• Fluorine

Which of the following is true about the physical state of the Halogens at room temperature?

• Fluorine is a solid, Chlorine is a liquid

• Chlorine and Bromine are gases, and Iodine is a liquid

• Fluorine and Chlorine are gases, Bromine is a liquid, and Iodine is a solid

• All Halogens are gases

Which Halogen is used in water purification and bleach?

• Iodine

• Fluorine

• Chlorine

• Bromine

What is formed when a Halogen (in this example, chlorine) reacts with a metal?

• Metal oxide

• Metal chloride

• Metal sulfate

• Metal hydroxide

Which of these statements about the Halogens is true?

• They all form negatively charged ions with a charge of -1

• They all form positively charged ions

• They do not form ions

• They all form molecules with two atoms

Which of the following Halogens is used in toothpaste to help prevent cavities?

• Iodine

• Bromine

• Fluorine

• Chlorine

What color is chlorine gas at room temperature?

• Yellow

• Greenish-yellow

• Blue

• Colorless