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Structure of the Atom — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceStructure of the Atom2 Marks
Question
Hydrogen has three isotopes written as: $^1_1\text{H},\ ^2_1\text{H},\ ^3_1\text{H}$ Explain why:
  1. These isotopes have almost identical chemical properties.
  2. They are electrically neutral.
✓

Answer

  1. Due to identical electronic configuration containing the same no. of valence electrons, these isotopes have almost identical chemical properties.
  2. All of them have $1$ electron and $1$ proton, so, they are electrically neutral.

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