Name three radioactive elements name three uses of radiation deuterium is an isotope of hydrogen. what is meant by isotope? pair the following types of radioactive particle: light particle, helium nucleus, electron alpha, beta, gamma describe with an example what is meant by "half-life"

Technetium (TC)- Transition metal.Promethium (Pm)- Rare earth metal.Polonium (Po)- Metalliod.


Radioactivity tracers,fission products,controls fission reactions

Isotopes are variants of a particular chemical element which differ in neutron number. All isotopes of a given element have the same number of protons in each atom.


For example, the half-life of a radioactive substance is the amount of time it takes for half of its atoms to decay, and the half-life of a drug is the amount of time it takes before half of the active elements are either eliminated or broken down by the body.

Mass of water is smething that you froma drug test or sum girl ya