Question

first second and third I.P values 100 ev ;150ev and 1500ev Element can be​

Answer 1

m+2 like mg+2,Ca+2 Sr+2,Ba+2 etc agar ip value given ho ek regular interval ke saath increase ho raha ho but suddenly ek large jump mile means usse pahli vali ip no. par vo stablity gain kar chuka hai jaise ismain 150 to 1500