Question
Transition elements and Inner transition elements
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Answer
| Transition elements | Inner transition elements |
| (i) Elements placed in groups 3 to 12 in the middle of the Modern Periodic table are called transition elements. | (i) Elements placed in two separate rows at the bottom of the Modern Periodic table are called inner transitionelements. |
| (ii) These elements have last two incompletely filled outermost shells. | (ii) These elements have last three incompletely filled outermost shells. |
| (iii) They belongs to the d-block in the Modern Periodic table. | (iii) They belong to the f-block in the Modern Periodic table. |
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