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Topic Content:
- Group I Elements
Lithium – 3L1 → 2, 1
Sodium – 11Na → 2, 8, 1
Potassium – 19K → 2, 8, 8, 1
Group I elements include lithium, sodium, potassium, rubidium, caesium, and francium. Group 1 elements are the most reactive metals. They are alkali metals.
They are univalent elementsUnivalent cation means the cation which donates its one valence electron to the bond. There are some elements with univalent cations. e.g. - S block Group (1) elements like Na+ ,Li+…... More.
Na → Na+ + e–
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