Predict the charge that a calcium ion would have.

In which orbital below would an electron (on average) be closest to the nucleus?

Which of the following quantum numbers describes the size and energy of an orbital?

Identify the species that has the smallest radius.

How many different values of ml are possible in the 5d sublevel?

Give the number of neutrons in P-3.

Which of the following visible colors of light has the longest wavelength?

How many protons (p) and neutrons (n) are in an atom of strontium-90?

Choose the one set of quantum numbers that contains an error.

Place the following in order of decreasing radius. Te2⁻ F⁻ O2⁻