Metals

What makes metals very useful?

• Their color

• Their weight

• Their diverse properties

• Their size

What is the primary use of cast iron?

• Jewelry

• Cooking utensils

• Clothing

• Paper

Which metal is often used in making musical instruments?

• Brass

• Steel

• Aluminium

• Iron

What property of metals allows them to be bent and hammered into different shapes?

• Ductile

• Brittle

• Malleable

• Insulating

Which of the following is not a subcategory of metals on the periodic table?

• Alkali metals

• Noble gases

• Lanthanides

• Actinides

What is the main characteristic of alkali metals?

• They are nonmetals.

• They are highly reactive.

• They are noble gases.

• They are inert.

Which subcategory of metals includes elements like lanthanum and cerium?

• Alkali metals

• Alkaline earth metals

• Lanthanides

• Actinides

Do single atoms of metals exist naturally?

• Yes, they exist naturally

• No, they do not exist naturally

• Only in liquid form

• Only in gaseous form

The best description of a metallic bond is

• a magnetic attraction between cations and delocalised electrons

• an electrostatic attraction between cations and delocalised electrons

• a magnetic attraction between neighbouring metal atoms

• an electrostastic attraction between neighbouring metal ions

Which of the following is a property of metals due to the movement of the lattice?

• Malleability

• Brittleness

• Transparency

• Low melting point