June, 2022 - radiation-info
Radioactivity and ionizing alpha-beta-gamma radiation
What is radioactivity. Both stable and unstable isotopes are found in nature. The nuclei of some nuclides are unstable, the...
What is an atom, a molecule. Chemical elements. Isotopes.
ATOM. Trees, birds, clouds, houses and cars are made up of atoms. Everything is made up of atoms. Figure 1.1....