Which one is least ionic?
Correct answer: B. AlCl3
- A. NaCl
- B. AlCl3
- C. MgCl3
- D. KCl
Explanation
The ionic characteristics decrease as we move from left to right in the periodic table and it increases as we move top to bottom in any group.
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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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