Section 1-- RADIOACTIVITY. An atom is the smallest piece of matter. Ex. The element silver is composed of only silver atoms. The element hydrogen is composed.
Radioactivity. What holds together the protons in the nucleus? The protons in the nucleus are positively charged and want to repel each other. There is.
Radiation: Particles and Energy The Nucleus Recall that atoms are composed of protons, neutrons, and electrons. The nucleus of an atom contains the protons,
Radioactive Decay. What do you know about Radioactivity? 1.All atoms are made up of __________. 2.What are some radioactive isotopes? 3.Why do some isotopes/atoms.
Ch. 9: RADIOACTIVITY AND NUCLEAR REACTIONS
