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NEETChemistryClassification of Elements and Periodicity in Properties

Match List-I with List-II: List-I (Element) List-II (Properties) A. Boron I. 3 valence electrons, 9 valence orbitals B. Aluminium II. 5 valence electrons, 4 valence orbitals C. Nitrogen III. 3 valence electrons, 4 valence orbitals D. Phosphorus IV. 5 valence electrons, 9 valence orbitals Choose the correct answer from the options given below:

Options

  1. AA-I, B-III, C-IV, D-II
  2. BA-III, B-I, C-II, D-IV
  3. CA-III, B-III, C-II, D-II
  4. DA-II, B-IV, C-III, D-I

Correct answer

B. A-III, B-I, C-II, D-IV

Step-by-step solution

Boron (Group 13, n=2 ) has 3 valence electrons ( 2s^2 2p^1 ). Its valence shell has one 2s and three 2p orbitals, giving a total of 4 valence orbitals. Aluminium (Group 13, n=3 ) has 3 valence electrons ( 3s^2 3p^1 ). Its valence shell includes one 3s , three 3p , and five 3d orbitals, giving a total of 9 valence orbitals. Nitrogen (Group 15, n=2 ) has 5 valence electrons ( 2s^2 2p^3 ) and 4 valence orbitals. Phosphorus (Group 15, n=3 ) has 5 valence electrons ( 3s^2 3p^3 ) and 9 valence orbitals. Students often co

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