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Why beryllium is different from other me...

Why beryllium is different from other members of its group in some properties?

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### Step-by-Step Solution 1. **Identify the Group**: Beryllium belongs to Group 2 of the periodic table, which is known as the alkaline earth metals. 2. **Compare Size**: Beryllium has a smaller atomic size compared to other members of Group 2. This smaller size affects its properties significantly. 3. **Electronegativity**: Beryllium has a higher electronegativity compared to other alkaline earth metals. As we move down the group, electronegativity decreases due to the increase in atomic size and the distance between the nucleus and the valence electrons. ...
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Fluorine, the first member of group 17, differs form the other members of group in may respects due to: i. Very small size ii. Very high electronegativity iii. Absence of vacant d-orbitals in the valence shell iv. Dissociation energy in the molecular form (X_(2)) is the least Which of the following do not exist ?

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Fluorine, the first member of group 17, differs form the other members of group in may respects due to: i. Very small size ii. Very high electronegativity iii. Absence of vacant d-orbitals in the valence shell iv. Dissociation energy in the molecular form (X_(2)) is the least Which of the following bonds is the stronger ?