Hydrogen resembles the elements of groups:
Correct answer: D. I-A, IV-A and VIl-A
- A. I-A, V-A and VIll-A
- B. I-A, IV A and Vl-A
- C. I-A, II-A and VIl-A
- D. I-A, IV-A and VIl-A
Explanation
Hydrogen resembles the elements of group of I A as it has one valence electron and can lose and electron to form a cation, it also resembles the elements of group IV A as both of them have a half filled valence shell and lastly it resembles the elements of group VII A because it can gain an electron and forms an anion.
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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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