Q281
Open questionAtomic number is the number equal to
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Q282
Open questionRutherford’s scattering experiment proved the presence of
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Q283
Open questionNumber of neutrons in an atom of hydrogen is
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Q284
Open questionThe atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ?
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Q285
Open questionAn atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is
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Q286
Open questionAtoms of same element having different mass numbers are called________
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Q287
Open questionHow many neutrons does iron have?
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Q288
Open questionThe electronic configuration of an atom having atomic number ‘20’ is
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Q289
Open questionNucleus of an atom consists of.
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Q290
Open questionWhich of the following is not a nucleon?
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Q291
Open questionIn an oxygen molecule, two atoms are united by
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Q292
Open questionHow many electrons are there in a Hydrogen atom?
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Q293
Open questionThe third shell of an atom can have a maximum of ______ electrons.
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Q294
Open questionWho developed the model of atomic structure ?
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Q295
Open questionWhich among the following is a covalent compound ?
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Q296
Open questionAtomic number of an atom gives the number of which of the following ?
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Q297
Open questionThe chemical bahaviour of an atom depends upon
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Q298
Open questionWhich one of the following has a maximum tendency to form M3 ion ?
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Q299
Open questionA matured mammalian cell without nucleus is
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Q300
Open questionWhich of the following metals can displace copper from copper sulphate solution ?
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