Gamma rays
Explanation:
Gamma rays is a form of electromagnetic radiation. It has zero mass and no charge.
Most radiations are particles but gamma rays are not particles they are mere rays.
- They have an energy range between 10KeV and 3Mev
- The range of gamma rays is not definite but it is very long.
- The intensity of gamma rays for any medium decreases exponentially from the source.
- Gamma rays are ionizing radiations
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Boron: isotope data. Both isotopes ofBoron, B-10 and B-11, are used extensively in the nuclear industry. B-10 is used in the form of boric acid as a chemical shim in pressurized water reactors while in the form of sodium pentaborate it is used for standby liquid control systems in boiling water reactors
In chemistry, there are two types of change, they are chemical and physical changes. A chemical change is one in which new substance are formed and it is always irreversible while a physical change is one in which no new substance is formed and it is always reversible. There are many factors that can indicate that a chemical change has taken place, these include: energy transfer, formation of precipitation, gas production, etc. Fracture formation does not indicate chemical change. In fracture formation nothing changes, so it is a form of physical change.