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What happens to the mass number and atomic number of an element when it emits -radiation?
Option: 1
Mass number and atomic number remain unchanged
Option: 2
Mass number remain unchanged while atomic number decreases by one
Option: 3
Mass number increases by four and atomic number increases by two.
Option: 4
Mass number decreases by four and atomic number decreases by two.
Answers (1)
- radiation are chargeless and massless
A gamma-ray is an electromagnetic wave. It is at the small wavelength end of the electromagnetic spectrum. A gamma-ray has no mass and no charge.
Emitting a gamma-ray makes no difference to the mass number or the atomic number but will make the nucleus more stable.
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