Identify the location of each element group on the periodic table.

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.

What material does not melt at any temperature

How many grams of magnesium metal will react completely with 8.3 liters of 5.5m hcl? show all work