1. (c) An atom with 3 protons and 4 neutrons (lithium) will have a valency of 1. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-4/

    (c) An atom with 3 protons and 4 neutrons (lithium) will have a valency of 1.

    https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-4/

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  2. (c) Rutherford experiment resulted in the discovery of nucleus. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-4/

    (c) Rutherford experiment resulted in the discovery of nucleus.

    https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-4/

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