Butane is the fluid found in candle lighters. Its chemical formula is C₄H₁₀. What type of molecule is it?

KCl, potassium chloride, is used to stop the heart during open-heart surgery. What type of compound is it?

HF, hydrofluoric acid, is a weak acid used by artists during the process of etching glass. What type of molecule is HF?

Bronze is an alloy of copper (Cu) with primarily tin (Sn) as the second most prevalent element. What type of bonding occurs in a sample of bronze?

Pure hydrochloric acid (HCl) is actually a gas. It is a polar covalent molecule, but which atom is partially negative?

OF₂ is a polar molecule. Which of the following represents the correct assignment of partial positive and partial negative dipoles? Hint: remember your electronegativities!

Water is a polar covalent molecule. Which represents the correct assignment of dipoles for H₂O? Remember: the tip of the arrow is the partial negative end and the bottom of the arrow (which looks like a plus sign) is the partial positive end.

How many TOTAL resonance structures can exist for this molecule?

In the resonance structures shown here for ozone, O₃, what is the bond length on either side of the central oxygen?