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Periodic Classification of Elements — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10SciencePeriodic Classification of Elements2 Marks
Question
Give two examples of elements of Groups 1, 2, 16 and 17.
✓

Answer

  • Group 1: Hydrogen and lithium.
  • Group 2: Beryllium and calcium.
  • Group 16: Oxygen and sulphur.
  • Group 17: Fluorine and chlorine.

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