What are d-block elements are called?
Correct answer: C. Transition metals
- A. Coinage metals
- B. Noble metals
- C. Transition metals
- D. Alkali metals
Explanation
Option C is correct since d-block and f-block elements are called transition elements. Option A is incorrect since coinage metals are part of transition metals and they include silver, gold, and platinum. Option B is incorrect since noble metals are also part of transition elements and they include ruthenium (Ru), rhodium (Rh), palladium (Pd), silver (Ag), osmium (Os), iridium (Ir), platinum (Pt), and gold. Option D is incorrect since alkali metals include group 1A elements which do not transition elements.
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About Electronic Structure of d-Block Elements
The electronic structure of d-block elements covers the filling of the (n-1)d and ns orbitals, general electronic configurations, and the exceptions shown by chromium and copper. It explains how partially filled d orbitals produce variable oxidation states, coloured ions, magnetic behaviour and complex formation, while distinguishing transition elements from elements with completely filled d subshells.
Practise Transition Elements
531 free Transition Elements MCQs from Chemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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