Chapter Test: Chemical Bonding

What would be the name of the compound formed from the sharing of electrons between an atom of phosphorus and three atoms of chlorine?

• phosphorus trichloride

• phosphorus chloride

• monophosphorus trichloride

• phosphorus chlorine

What is the maximum number of electrons that can be contained in the 2nd energy level?

• 2

• 6

• 8

• 18

Which of the following shows the correct element and number of valence electrons as shown in the diagram below?

• Sulfur and 5 valence electrons

• Phosphorous and 5 valence electrons

• Sulfur and 3 valence electrons

• Phosphorous and 4 valence electrons

When metals bond with non-metals they form what type of bonds?

• Covalent

• Ionic

• Metallic

• Nonmetallic

How do the following two elements bond together? Cr³⁺ and O^2-

• A. CrO

• Cr₃O₂

• Cr₂O₃

• CrO₃

What is the correct name for this compound AgF?

• silver fluoride

• silver fluorine

• monosilver monofluoride

• silver monofluorine

Which of the following is the best representation of a molecule of fluorine (F₂)?

• A

• B

• C

• D

In chemical compounds, when can covalent bonds be formed?

• when the electronegativity difference between two atoms is very large.

• when the electrons are completely transferred between two metals.

• when pairs of electrons are shared between two nonmetal atoms.

• when two nonmetal atoms are attracted to each other by opposite charges

When two nonmetals do not share electrons evenly, the resulting covalent bond will be...

• Nonpolar

• Polar

• Ionic

• Metallic

Is the following compound ionic or covalent? A material that forms a crystal lattice.

• IONIC

• COVALENT