(Savvas 6.4) Structure of Metals Quiz

Choose the letter of the metal with the highest melting point.

• gold

• vanadium

• titanium

• tungsten

Some of the properties of metals can be explained by the ________ of the electrons within a metal lattice.

• mobility

• rigidity

• density

• color

Tags

NGSS.HS-PS1-3

What is produced by mobile electrons in a metal?

• Heat

• Conductivity

• Metallic bonds

• Malleability

What is the relationship between the number of valence electrons and the strength of metallic bonds?

• No relationship

• Inverse relationship

• Direct relationship

• Random relationship

Is the following sentence true or false? When a metal such as copper is mixed with gold, the gold (not the new alloy) becomes softer.

• True

• False

Tags

NGSS.HS-PS2-6

Describe an alloy.

• A mixture of two or more elements, where at least one is a metal

• A pure metal element

• A compound formed by chemical reactions

• A non-metallic substance

How do the hardness and strength of bronze compare to the hardness and strength of copper alone and tin alone?

• Bronze is harder and stronger than both copper and tin.

• Bronze is softer and weaker than both copper and tin.

• Bronze has the same hardness and strength as copper and tin.

• Bronze is harder than copper but weaker than tin.

Name two factors that scientists can vary to design alloys with specific properties.

• The types of elements and the amount of each element

• Pressure and volume

• Density and mass

• Color and shape

Choose the letter(s) of the elements that all types of steel contain.

• Carbon

• Iron

• Vanadium

• Helium

Which of the following statements is true about brass compared to bronze?

• Brass is an alloy of copper and zinc, while bronze is an alloy of copper and tin.

• Brass is harder than bronze.

• Brass is more resistant to corrosion than bronze.

• Brass has a higher melting point than bronze.