Metals Quiz

If a material can easily be drawn into
the shape of a wire, it is

• ductile
• magnetic
• malleable
• reactive

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

• brittle
• good conductor
• ductile
• malleable

The metals of Group 1 are commonly
called the

• transition metals
• alkaline earth metals
• lanthanides
• alkali metals

Gold, which is in Group 11 on the periodic table, is an example of a(n)
   metal

• alkali
• transition
• lanthanide
• alkaline earth

The family in the periodic table that contains the most reactive metals is the
   metals.

• alkali
• transition
• lanthanide
• alkaline earth

Reactivity is a(n)    property of metals.

• chemical
• physical

Which of the following statements explains why oxygen is classified as a pure substance and air is classified as a mixture?

• Oxygen is more reactive than air.

• Oxygen contains only one substance, but air contains several substances

• Oxygen has a higher density than air.

• Oxygen undergoes phase changes, whereas air is always a gas.

To indicate the number of atoms of each element present in a molecular compound, scientists use—

• Roman numerals

• Subscripts

• Prefixes

• Antonyms

Steel is a metal that is made from iron and carbon. During the steel making process, iron and carbon are melted, blended together, and then allowed to harden into a solid. The iron and carbon do not chemically react with each other. After steel was made, 20 samples were taken from one piece and tested. Each sample contained 98% iron and 2% carbon.

Which of the following terms best describes steel?

• Homogeneous

• Heterogeneous

• Compound

• Element

When magnesium (Mg) metal is burned in the presence of oxygen (O₂), magnesium oxide (MgO) is produced. The properties of magnesium oxide are different than the individual properties of magnesium and oxygen because magnesium oxide is

• Compound

• Element

• Mixture

• Solution