MCQs: Atom means
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MCQs: To date, scientists have made about 26 millions
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MCQs: Generally sodium chloride is known as
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MCQs: The symbol of "Fluorine" is
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MCQs: A tiny dense nucleus in an atom was discovered by
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MCQs: The smallest particle of water is
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MCQs: The atomic number of sodium is 11 and its atomic mass is 23 and the number of protons and neutrons in an atom of sodium is
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MCQs: Most of the covalent compounds are found in
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MCQs: The radioactive isotope of carbon is
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MCQs: Nuclear batteries are
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MCQs: Isotopes behave the same way in
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MCQs: In methane gas, each carbon atom is bonded with
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MCQs: Oxygen is a diatomic gas so its chemical formula is
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MCQs: The atomic number of helium is
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MCQs: The atomic number of hydrogen is
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MCQs: Neutrons have
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MCQs: Strong radioisotopes can be used to destroy
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MCQs: The ionic chemical formula of aluminum is
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MCQs: When shell K is completed, next electron moves to
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MCQs: The atomic number of carbon is 6, hence there are
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