Interpretation:
“Match the type of radiation (1 to 3) with each of the following statement:
1. Alpha particle
2. Beta particle
3. Gamma radiation
a. Penetrates farthest into skin and body tissues
b. Shielding protection includes lab coat and gloves
c. Travels only a short distance in air.” should be explained
Concept introduction:
► Alpha particles () decay:
When an alpha particle decays then the new nucleus has 4 unit decrease in mass number and 2 unit decrease in
► Beta particle () decay:
When a beta particle decays then the new nucleus has same in mass number and 1 unit increase in atomic number.
► Positron particle () decay:
When a positron particle decays then the new nucleus has same mass number and 1 unit decrease in atomic number.
► Gamma ray () emission:
This gamma ray does not affect the nuclear mass and the atomic number. It never emits independently. It emits either with alpha particle or beta particles.
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