Determine the type of radioactive decay that corresponds to the given combinatio

Question

Determine the type of radioactive decay that corresponds to the given combination of Parent and Daughter Nuclei. Use the web or your book to a find a copy of the periodic table to help with this problem.
Alpha Decay Beta+ Decay Beta- Decay Gamma Decay  Parent: 16N, Daughter: 16O
Alpha Decay Beta+ Decay Beta- Decay Gamma Decay  Parent: 15O, Daughter: 15N
Alpha Decay Beta+ Decay Beta- Decay Gamma Decay  Parent: 235U, Daughter: 231Th
Alpha Decay Beta+ Decay Beta- Decay Gamma Decay  Parent: 24Na, Daughter: 24Mg
Alpha Decay Beta+ Decay Beta- Decay Gamma Decay  Parent: 40Ca, Daughter: 40Ca

Explanation / Answer

1)Parent: 16N, Daughter: 16O

Ans: beta- decay

because, atomic number is increased by 1

2) Parent: 15O, Daughter: 15N

Ans: beta+ decay

because, atomic number is decreased by 1

3) Parent: 235U, Daughter: 231Th

Ans : alfa_decay

because, atomic number is decreased by 2

4) Parent: 24Na, Daughter: 24Mg

Ans: beta- decay

because, atomic number is increased by 1

5) Parent: 40Ca, Daughter: 40Ca

Ans: gamma decay

because, there is no chnage in atomic number and mass number.

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