MCQs: Atoms of an element with same atomic number but having different mass number are known as
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MCQs: The particles that have opposite charges, are
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MCQs: Medical instruments can be sterilized using
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MCQs: Sodium and chlorine are attracted to each other because they are
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MCQs: The nearest shell to a nucleus is called
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MCQs: The number of elements are approximately
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MCQs: Atoms are linked together by chemical bonds. The two common chemical bonds are
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MCQs: The number and arrangement of electrons in an atom are important because it controls
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MCQs: The particles which have equal mass are
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MCQs: The rays that can penetrate into metal are
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MCQs: The symbol of 'neon gas' is
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MCQs: At room temperature, ionic bonds are
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MCQs: 'Radioisotopes' are used to trace
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MCQs: The number of proton in an 'atom' is also known as
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MCQs: The symbol of "oxygen" is
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MCQs: The valency of 'bromine' is
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MCQs: Electrons are shared in
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MCQs: The ion with a negative charge, is known as
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MCQs: The atomic number of 'oxygen' is
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MCQs: Protons have
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