Sub-group "B" of the periodic table represents:
Correct answer: B. Less typical elements
- A. Normal elements
- B. Less typical elements
- C. Block "p" elements
- D. Block "f" elements
Explanation
Sub-group "B" of the periodic table refers to the transition metals, which are characterized by their partially filled d orbitals. These elements exhibit properties that are distinct from both the main group (s-block and p-block) elements and the inner transition metals (f-block elements).Transition metals are often considered "less typical" compared to the main group elements because they display variable oxidation states, form colored compounds, and exhibit complex coordination chemistry. Their electron configurations involve the filling of d orbitals, which leads to their unique chemical and physical properties.
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About s-Block and p-Block Elements
The s and p blocks are studied through their valence-shell configurations, periodic trends and characteristic chemical properties. Work covers the reactions of Group I and Group II elements, the behaviour of Group IV elements, and how atomic size, ionization energy, electronegativity and metallic character change across periods and down groups.
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