Multiple choice

Which of the following is / are true regarding the properties of elements in a group? (a) Electropositive character increases, moving from top to bottom. (b) Atomic radius decreases, moving from top to bottom. (c) Valence electrons increase, moving from top to bottom. (d) Number of shells remains the same moving from top to bottom.

  1. only a

  2. both a and b

  3. both b and c

  4. both c and d

  5. a, b and c
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Yes, it is correct. Only a is correct. Atomic radius increases, the number of valence electrons remains the same and the number of shells increase, while moving from top to bottom in a group.

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