Multiple choice

What are transition elements?

  1. The elements having 2 outermost shells incomplete.

  2. The elements having 3 outermost shells incomplete.

  3. The elements having the outermost shell full.

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Yes, it is correct, they have the 2 outermost shells incomplete and valence electrons are available from them. They are also called d block elements.The three long periods 4th ,5th,6th periods come in this.

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