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

Answer 1

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.