Transition and Inner Transition Elements — Chemistry STD 12 Science — Question
Maharashtra BoardEnglish MediumSTD 12 ScienceChemistryTransition and Inner Transition Elements3 Marks
Question
What are post actinoid elements?
✓
Answer
Elements from atomic number $104$ to $118$ are called postactinoid elements.
The post actinoid elements known so far are transition metals.
They can be synthesised in the nuclear reactions.
As they have very short half life period, it is difficult to study their chemistry.
Ruiherfordium forms a chloride $(RfCl_4)$ similar to zirconium and hafnium in $+ 4$ oxidation state.
Dubniurn resembles niobium and protactinium.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.