P1b:Radioactivity SJT
Symbols. Atomic Number- No. of protons Atomic Mass – No. of protons and neutrons (electron mass negligible) Chemical symbols found on Periodic table.
A level Radioactivity 17/09/2015 Graham Perrin [email protected].
Radiation
Symbols
Radiation Samar El-Sayed. Radiation Radiation is an energy in the form of electro-magnetic waves or particulate matter, traveling in the air.
