Which elements were decribed as the transition element by mendeleev.

1. N

2.Ni

3.Ne

4.None

I think its Ni but i think there were no transition element in mendeleev's periodic table please help me
i will mark you as branliest
plz help.

odds are decent that your handwriting right now looks a little bit different than it did five years ago, and will look different again in five more. when i look back through my notebooks from middle school to now, i see a long, slow progression from meticulous and teeny letters to bigger, sloppier ones, plus a few side detours: sometime in high school, for example, i decided those loopy cursive lowercase f’s were just the coolest, adopting them as the lone rep for cursive in my otherwise all-print handwriting.

explanation: