Substances that emit ionizing radiation
James Chadwick has written: 'Radioactivity and radioactive substances' -- subject(s): Radioactivity
Chemical reactions, normally. However, radioactivity, nuclear fission, or nuclear fusion also fit this definition.
Chemical reactions, normally. However, radioactivity, nuclear fission, or nuclear fusion also fit this definition.
Radioactivity is not the problem in tobacco. The problem is simply the toxic (poisonous) substances found in tobacco.
No, a radio cannot detect radioactivity. A radio is called a radio because of the radio waves that it operates on.
It is said that radioactivity in plants and animals, or food items, may have caused the 1986 nuclear accident in Chernobyl. In order to determine the radioactivity of these items, one could examine the DNA, carbohydrate content, H2O and other biochemical pathways that are found in all plant and animal species.
All elements with an atomic number >83 are naturally radioactive
Robert Harold Harmeson has written: 'The effect of radioactive substances on sludge digestion' -- subject(s): Radioactivity, Sewage, Purification
She discovered radioactivity and the elements Radium and Polonium!
Radioactivity affect the water molecules. Radioactivity makes it harmful
What other sort of radioactivity is there?
For example natural and artificial radioactivity.