What has to happen within the nucleus in order for an atom of polominium-211 to decay?

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt

Which statement is true according to the kinetic theory? a. molecules of different gases with the same mass and temperature always have the same average density. b. molecules of different gases with the same mass and temperature always have the same average volume. c. molecules of different gases with the same mass and temperature always have the same pressure. d. molecules of different gases with the same mass and temperature always have the same molecular mass. e. molecules of different gases with the same mass and temperature always have the same average kinetic energy.

Why would a doctor most likely restrict a patient's contact with other people while the patient receives internal radiation