When the nuetron to proton ratio in a raditoactive isotope is higher than that r

Question

When the nuetron to proton ratio in a raditoactive isotope is higher than that required for stability, it main gain greater stability by emitting

1. neutron radiation

2. positron radiation

3. beta radiation

Emission of the following particle(s) has (have) a very small effect on the mass of an atom.

1. beta particle

2. neutron

3. alpha particle

A nucleus with an excess of neutrons would be expected to undergo nuclear decay by the emission of a

A. deutron B. neutron C. neutrino D. beta particle E. gamma ray

The ionization energy of an atom compared to the binding energy of its nucleus is

A. much greater B. slightly greater C. the same D. slightly smaller E. much smaller

Explanation / Answer

3

1

D

C

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