For Alkali Metals, decrease in the ionization potential is because of the increasing:
Correct answer: B. Distance between nucleus and outer most electron
- A. Charge on the nucleus
- B. Distance between nucleus and outer most electron
- C. Size of the atom
- D. None of these
Explanation
As you move down the group, the atomic size increases because additional electron shells are added. This increased distance between the nucleus and the outermost electron makes it easier to remove the outermost electron, resulting in a lower ionization potential.
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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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