Alkali Metals Quiz

Which of the following is NOT a characteristic of alkali metals?

• High density

• Low melting point

• Softness

• High reactivity

Which alkali metal is so reactive that it can ignite spontaneously at room temperature?

• Caesium

• Potassium

• Sodium

• Lithium

Why are alkali metals highly reactive?

• They have a full outer shell of electrons.

• They have one electron in their outer shell.

• They have a high melting point.

• They are nonmetals.

What happens to the atomic radius of alkali metals as you go down the group?

• It becomes zero.

• It increases.

• It remains constant.

• It decreases.

As you move down the group of alkali metals, what happens to their reactivity?

• It fluctuates.

• It increases.

• It remains the same.

• It decreases.

What type of compounds do alkali metals typically form with nonmetals?

• Organic compounds

• Covalent compounds

• Ionic compounds

• Metallic compounds

What is produced when sodium reacts with water?

• Sodium oxide and water

• Sodium peroxide and oxygen

• Sodium hydroxide and hydrogen gas

• Sodium chloride and hydrogen gas

What is the result of the reaction between sodium and chlorine?

• Sodium peroxide

• Sodium chloride

• Sodium oxide

• Sodium hydroxide

Which of the following is a correct statement about alkali metals?

• They do not react with oxygen.

• They form covalent bonds with nonmetals.

• They are less reactive than transition metals.

• They form white metal chloride salts with chlorine.

What is a recommended study method for remembering alkali metal compounds?

• Using flashcards

• Attending lectures

• Reading textbooks

• Watching documentaries