Please enable JavaScript.
Coggle requires JavaScript to display documents.
P4- Atomic Structure - Coggle Diagram
P4- Atomic Structure
-
Nuclear Radiation
Background radiation: Man-made-nuclear weapons and testing, Natural- Rocks and Cosmetic Rays
-
Gamma: EM radiation, very penetrating, only stopped by a few cm of lead
-
Alpha: 2 neutrons and 2 protons, same as helium
Radioactive Decay
Activity: Measured in becquerels, rate at which nuclei decay.
-
-
-
Atomic Models
Bohr's Model: central nucleus, electrons in energy levels orbiting it
Plum Pudding Model: Ball of positive charge, with negative charges scattered throughout.
-