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Atoms and Molecules — Science STD 9 — Question

Rajasthan BoardEnglish MediumSTD 9ScienceAtoms and Molecules1 Mark
Question
The element having atomicity ‘four’ is most likely to be:
  1. Argon.
  2. Fluorine.
  3. Phosphorus.
  4. Francium.
✓

Answer

  1. Phosphorus.
Explanation:
Phosphorus has an atomicity of 4.

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