Chemistry Quiz

A negatively charged ion is known as a:

• Proton

• Anion

• Electricity

• Cation

Covalent bonding involves:

• A transfer of electrons

• Trading electrons

• Sharing electrons

• None of the above

How many electrons would calcium lose to assume a noble electron configuration?

• 1

• 2

• 3

• 4

The chemical formula for aluminum fluoride is:

• AlF

• PbF

• Al₂F

• AlF₃

How many grams are in one mole of palladium?

• 58.9

• 106.4

• 155.1

• 12.9

The period number of an element is also the:

• Number of protons

• Number of valence electrons

• Number of valence electron shells

• Number of electron shells

What information does the atomic number of an element provide?

• The molar mass of the element

• The number of protons

• Number of neutrons

• Number of valence electrons

An ionic bond is --

• Metal to metal

• Metal to non-metal

• Non-metal to non-metal

Students complete a laboratory investigation. Who is responsible for cleaning up and returning the materials to their proper places?

• The students who performed the lab

• The students entering the lab next period

• The custodians

• The teacher

Which of these is not a reliable resource to use for determining the hazards of a chemical?

• Your laboratory partner

• Pre-lab instructions given in class

• A Safety Data Sheet

• Your teacher