Unit 2 Review

Copper is a common metal. Which of the following properties does this metal most likely have?

• Low conductivity, low malleability, and low luster

• High conductivity, high malleability, and low luster

• Low conductivity, high malleability, and high luster

• High conductivity, high malleability, and high luster

Tags

6.6ABC

What is the density of the rock sample shown in the illustration above?

• 0.2 g/cm³

• 40 g/cm³

• 5.0 g/cm³

• 1.43 g/cm³

Tags

6.6ABC

The capability of a substance to be stretched into thin wires without breaking is known as

• malleability

• conductivity

• luster

• ductility

Tags

6.6ABC

Which of the following best replaces X in the table above?

• Chemical composition

• Malleability

• Reactivity

• Oxidation

Tags

6.6ABC

A student decided to find the density of her house key to try to identify the type of metal from which it is made. She found the volume of the key to be 5 mL and the mass to be 39.5 g.

Use the chart, from which type of metal is the key made?

• Aluminum

• Steel

• Copper

• Gold

Tags

6.6ABC

Which of the following lists of properties best describes nonmetals?

• Brittle, shiny, conductor

• Malleable, shiny, conductor

• Brittle, dull, insulator

• Malleable, dull, insulator

Tags

6.6ABC

A student is examining an object in science class. It is solid, does not conduct, malleable but not ductile, and is a shiny silver color. The sample is most likely a -

• nonmetal

• metalloid

• metal

• semi-conductor

Tags

6.6ABC

A student is examining an object in science class. It is a pale yellow, brittle solid, with no shine. The sample is most likely a

• nonmetal

• metalloid

• metal

• semi-conductor

Tags

6.6ABC

A student is testing a silver rock sample with the lab equipment shown in the diagram above. The silver rock completes the circuit and lights the bulb. The student concludes the sample could be which of the following?

I. metal

II. metalloid

III. nonmetal

• I

• I, II

• I, II, III

• II, III

Tags

6.6ABC

A student measured the mass and volume of a metal sample using a triple beam balance and a graduated cylinder. The sample has a mass of 16.7 grams and a volume of 4.4 cm³. What is the density of the metal sample rounded to the nearest tenth?

Tags

6.6ABC