Exam 15: How Atoms Bond and Molecules Attract

Classify the following bonds as ionic, covalent, or neither (O, atomic number 8; F, atomic number 9; Na, atomic number 11; Cl, atomic number 17; U, atomic number 92). O with F Ca with Cl Na with Na

Which of the following substances is pure?

In which of the following molecules will water induce a temporary dipole?

Which of the following is the weakest?

Which of the following molecules contains an ionic bond?

Which of the following is not a property of metal?

What is one role of unpaired valance electrons?

Which of the following is a negative ion?

Which of the following is a positive ion?

Which of the following molecules is most likely to show the strongest hydrogen bonding?

What is the name for the following polyatomic ion? PO₄^-3

Which of the following would be a negative ion with a single charge?

Why doesn't the sodium atom gain seven electrons so that its third shell becomes the filled outermost shell?

Distinguish between a metal and a metal-containing compound.

Which of the following intermolecular forces best describes why nonpolar molecules like gasoline (C₈H₁₈)have only limited solubility in water?

Which of the above substances would have the largest dipole?

There is more gold in 1 km³ of the ocean than the amount of gold mined in all of recorded history. How come we do not mine the oceans?

Atoms of nonmetallic elements form covalent bonds, but they can also form ionic bonds. How is this possible?

Which of the following is the main form of intermolecular attractions among water molecules?

List the following bonds in order of increasing polarity: