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Structure of the Atom — Science STD 9 — Question

Maharashtra 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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