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Solid sodium chloride, NaCl, is a(n):

What is the ground-state electron configuration of Scandium (Sc)?

Which of the following is the shortest bond? The number in parentheses is the bond energy.

What is the expected O-C-O bond angle in a carbonate ion (CO32-)?  

Here are two ball and stick models of two molecules with the same formulas but different structures: [first] is/are polar [second] forms hydrogen bonds

What is the correct formula of magnesium perchlorate?

What is the formula for the compound formed with calcium and chloride ions?

Identify the chiral carbon atom in the molecule below: [letter] is the chiral carbon atom

Use the dropdown boxes to balance the reactions below.  If a coefficient is one, normally we would leave it blank.  However, for the sake of testing it will be okay to choose “1” for balancing an equation.  [A]F2 + [B]H2O –> [C]HF + [D]O2

Which substance has the weakest intermolecular forces?