Which particle diagram represents a sample of matter that can not be broken down by chemical means?

Cobalt-60 is an artificial radioisotope that is produced in a nuclear reactor and is used as a gamma-ray source in the treatment of certain types of cancer. if the wavelength of the gamma radiation from a cobalt-60 source is 1.00 × 10-3 nm, calculate the energy of a photon of this radiation.

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

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