NEET Chemistry (general) MCQ Question
Consider a diagram showing the periodic table with certain groups highlighted. The diagram indicates the filling of orbitals and the division of elements into metals, non-metals, and metalloids. Which of the following statements correctly describes the placement and characteristics of elements in Group 2 (alkaline earth metals) as depicted in the diagram?
Group 2 elements have low ionization enthalpies and their compounds are predominantly ionic.
Group 2 elements have high ionization enthalpies and form covalent compounds.
Group 2 elements share electrons readily and are found pure in nature.
Group 2 elements are non-metals and have high electronegativity.
Correct Answer
Detailed Explanation
According to the NCERT context, Group 2 elements have low ionization enthalpies and form predominantly ionic compounds, except for those of lithium and beryllium.
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