Question

What type of decay occurs with the transformation of Th-234 to Ra-210?

4. Write the balanced nuclear equations for the following

a) Formation of Mn-52 by positron emission

b) Formation of Ac-228 by beta emission

c) Formation of Np-232 by alpha decay

d) Mercury-201 undergoes electron capture

e) Thorium-231 decays to form protactinium

Answer 1

Beta-negative decay occurs with the transformation of Th-234 to Ra-210?

₉₀Th²³⁴ → ₈₈Ra²¹⁰ + 6₂He⁴ + 10_-1β⁰

4.

a) ₂₆Fe⁵² → ₂₅Mn⁵² + ₊₁e⁰

b) ₈₈Ra²²⁸ → ₈₉Ac²²⁸ + _-1β⁰

c) ₉₅Am²³⁶ → ₉₃Np²³² + ₂He⁴

d) ₈₀Hg²⁰¹ + _-1e⁰ → ₇₉Au²⁰¹

e) ₉₀Th²³¹ → ₉₁Pa²³¹ + 1e⁰