Mostly ionic compound are produced in between elements of_________________?
Correct answer: B. IA IIA and VIIA
- A. IA and VIA
- B. IA IIA and VIIA
- C. IB and VIIB
- D. IA and IB
Explanation
Highly ionic compounds are most readily formed between electropositive metals of groups IA and IIA and electronegative halogens of group VIIA, represented by option b. Students may choose IA and VIA because oxygen compounds are often ionic, but the stated combination in b gives the broader metal-to-nonmetal pattern.
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About Periodic Properties and Trends
Periodic properties arise from electron configuration and effective nuclear charge, producing trends in atomic and ionic radius, ionization energy, electron affinity, electronegativity, metallic character and reactivity. Comparisons run across periods and down groups, with attention to common exceptions. The topic also relates these trends to the behavior of s-block and p-block elements.
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