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MCQs: The attraction of two ions due to opposite charge is known as
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MCQs: To trace the path of phosphorus, the isotope of phosphorus which is added to the fertilizers, is
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MCQs: If the mass of protons and neutrons is 1, then the mass of electron is
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MCQs: The name of physicist who discovered the nucleus of atom was
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MCQs: Sodium ion has
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MCQs: Radioactive particles give off
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MCQs: The formula that shows the number and kind of atoms which a substance of a molecule contained, is known as
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MCQs: Sodium becomes a cation when
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MCQs: The symbol of potassium is
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MCQs: Electrons have
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MCQs: As compare to ionic compounds, covalent bond has
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MCQs: Ionic bonds are
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MCQs: Valency of sodium is
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MCQs: Neutrons in an atom also affect the
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MCQs: Atoms of sodium and chlorine are stuck by chemical glue which is known as
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MCQs: A large amount of heat is produced in power plants when energy is released which turns
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MCQs: In nuclear power plants, energy is released
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MCQs: The symbol of "Boron" is
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MCQs: The symbol of "Helium" is
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MCQs: An atom is electrically
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