Question

Write a note on s,b,d,f block elements
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Answer 1

Answer:

These are called d-block elements because of the filling of inner d-orbitals by electrons. These elements have general electronic configuration: (n−1)d1−10ns0−2. They are all metals. They mostly form coloured ions, show variable oxidation states, paramagnetism and also used as catalysts.

Answer 2

Answer:

S block comprises 14 elements: hydrogen (H), lithium (Li), helium (He), sodium (Na), beryllium (Be), potassium (K), magnesium (Mg), rubidium (Rb), calcium (Ca), cesium (Cs), strontium (Sr), francium (Fr), barium (Ba), and radium (Ra).

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