Merkitse oikeat luvut muuttujien paikalle.


a)   [[$_{\ 4}^{\text{X}}\text{Be}\ \rightarrow\ _{\ \ \text{Y}}^{10}\text{B+e}^-+\overline{\nu}$]]

X = Y =


b)   [[$_{\ \ 84}^{210}\text{Po}\ \rightarrow\ {_\text{Y}^\text{X}\text{Pb}+\alpha}$]]

X = Y =


c)   [[$_{\ \text{X}}^{11}\text{C}\ \rightarrow\ {_{\ \text{Y}}^{11}\text{B}}+\text{e}^++\nu$]]

X = Y =


d)   [[$_{26}^{55}\text{Fe}+\text{e}^- \ \rightarrow \ {_\text{Y}^\text{X}\text{Mn}}+\nu$]]

X = Y =