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Periodic Classification of Elements — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10SciencePeriodic Classification of Elements1 Mark
Question
Rewrite the following statements after correction, if necessary:
  1. Elements in the same period have equal valency.
  2. The metallic character of elements in a period increases gradually on moving from left to right.
✓

Answer

  1. Elements in th e same group have equal valency.
  2. The metallic character of elements in a period decreases gradually on moving from left to right.

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