Question

When the nucleus of an atom absorbs one of the atom's orbital electrons, the process is known as k-capture. Which equation (in which X denotes the appropriate particle) represents this process-

• A. ${}_{26}^{55}Fe$ + ${}_{–1}^{0}X$ ®${}_{25}^{55}Mn$
• B. ${}_{28}^{63}Ni \rightarrow_{–1}^{0}X +_{29}^{63}Cu$
• C. ${}_{5}^{10}B +_{0}^{1}X \rightarrow_{3}^{7}U +_{2}^{4}He$
• D. ${}_{3}^{7}Li +_{1}^{1}X \rightarrow_{4}^{8}Be$

Answer 1

Answer: (A)

${}_{26}^{55}Fe$ + ${}_{–1}^{0}X$ ®${}_{25}^{55}Mn$

Answer 2

${ } _ { Z } ^ { A } X + e ^ { - } \rightarrow { } _ { Z - 1 } ^ { A } Y$

Where, e^– =