Multiple choice

Which of the statement/s is/are incorrect regarding the trends in the periodic table?

  1. Number of valence electrons remains the same while moving from top to bottom in a group.

  2. Number of valence electron increases while moving from left to right in a period.

  3. Valency remains the same on moving from top to bottom in a group.

  4. Valency increases while moving from left to right in a period.

  5. Atomic radius increases on moving from top to bottom in a group and decreases on moving from left to right in a period.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Yes, it is the incorrect statement. Valency first increases up to 4 on moving from left to right in a period and then decreases up to zero.

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