All elements with the same period in the periodic table have the same:

Convert 3.2 hectoliters to liters.

Convert 75,000 µs to s.

Which of the following accurately describes covalent bonding?

The atomic particle that has a weight of 1 AMU and carries no charge is called a/an:

Which of the following radiation units relates the risk from irradiating a part of the body to the risk of total body irradiation?

Identify each of the following radiation units as traditional or SI units.  Each response may be used more than once.

Which of the following types of radiation would travel the shortest amount of distance and cause the largest amount of damage within an object?

The ability of an atom to participate in chemical or electrical interactions is primarily controlled by its:

Which atomic model was the first to discover the electron?