#1
[tex]\\ \sf\longmapsto {}^{88}_{38}Sr^{2+}[/tex]
- As 2 electrons are donated Hence the No of electrons =38-2=36
#2
[tex]\\ \sf\longmapsto {}^{51}_{23}V^{3+}[/tex]
- As 3 electrons donated the no of electrons=23-3=20
#3
[tex]\\ \sf\longmapsto {}^{55}_{26}Fe^{3+}[/tex]
#4
[tex]\\ \sf\longmapsto {}^{112}_{48}[/tex]
- As 2 electrons are donated no of electrons =48-2=46
#5
[tex]\\ \sf\longmapsto {}^{210}_{82}Pb^{2+}[/tex]
- No of neutrons=210-82=128
