Multiple choice

Which of the following is / are false regarding the trend of properties, moving from left to right in a period? (a) Number of valence electron increases while moving from left to right. (b) Valency increases while moving from left to right. (c) Electropositive character decreases on moving from left to right.

  1. Only a

  2. Only b

  3. Only c

  4. Both a and b

  5. Both b and c
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Yes, it is the correct answer. Valency first increases up to 4 on moving from left to right in a group and then decreases up to zero, hence 'b' is false.

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