Elements having high I.P values are____________________?
Correct answer: B. Non metals
- A. Metals
- B. Non metals
- C. Liquids
- D. Solids
Explanation
Ionization energy is the energy needed to remove an electron from a gaseous atom. Nonmetals generally have high ionization energies because their valence electrons are held tightly, whereas metals lose electrons more easily. The likely mistake is choosing solids because many nonmetals are solids, but physical state does not determine ionization energy.
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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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