Elements with similar chemical properties appear in the_________________?
Correct answer: A. Same family
- A. Same family
- B. Same period
- C. p block elements
- D. Right upper corner
Explanation
Elements in the same family, or vertical group, have similar valence-shell electronic configurations, so they show similar chemical properties. A common mistake is choosing the same period because periods are also rows in the table, but elements in a period have the same number of occupied shells rather than similar valence electrons.
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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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