2024 Semester Test Review

Which of the following is the symbol for chlorine?

• Ch

• C

• Cl

• e

The chemical symbol for nitrogen is —

• Na

• Ni

• Ne

• N

Which of the following substances represents a compound?

• 2, 3, 5, and 6

• 2 and 6

• 
  1 and 4

• 1, 2, and 4

Which of the following substances is an element?

• CO2

• NaS

• Co

• KF

The capability of a substance to be molded and shaped, or hammered into sheets without breaking is known as —

• ductility

• conductivity

• malleability

• luster

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

• malleability

• conductivity

• luster

• ductility

When metals, nonmetals, and metalloids are compared according to luster, which is the best description of the appearance of metalloids?

• Dull

• Powdery

• Shiny

• Either shiny or dull

Which of the following lists of properties best describes nonmetals?

• Brittle, shiny, conductor

• Malleable, shiny, conductor

• Brittle, dull, insulator

• Malleable, dull, insulator

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

Observe the information above. Use the information in the diagram to calculate the volume and density of Cube1. Based on your calculations and the information in the chart, Cube 1 is most likely which type of metal?

• Iron

• Zinc

• Vanadium

• Cobalt