Halogens Quiz

Which of the following is NOT a property of halogens?

• They are nonmetals.

• They exist in all three states of matter at room temperature.

• They are good conductors of electricity.

• They have low melting and boiling points.

As you move down the group in the periodic table, the reactivity of halogens:

• Increases

• Decreases

• Remains the same

• First increases, then decreases

Which halogen is a liquid at room temperature?

• Fluorine

• Chlorine

• Bromine

• Iodine

Which halogen is a solid at room temperature?

• Fluorine

• Chlorine

• Bromine

• Iodine

What is the main reason for the high reactivity of halogens?

• They have a full outer electron shell.

• They have a high atomic mass.

• They need one more electron to achieve a stable electron configuration.

• They easily lose electrons.

In a halogen displacement reaction, what determines which halogen will displace another?

• Atomic mass

• Size

• Reactivity

• Atomic radius

Which of the following reactions correctly represents a halogen displacement reaction?

Which halogen is the most reactive ?

• Fluorine

• Chlorine

• Bromine

• Iodine

What happens to the boiling points of halogens as you move down the group in the periodic table?

• They decrease

• They increase

• They remain constant

• They first decrease, then increase

Which of the following statements is true about the colors of halogens?

• Fluorine is purple at room temperature.

• Chlorine is a greenish-yellow gas.

• Bromine is colorless in both liquid and gas states.

• Iodine is blue when solid.