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MCQs: The gram atomic mass of Zn is
Category: Chemistry Mcqs, Published by: teswesm
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MCQs: A substance whose all atoms have the same atomic number is
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MCQs: A hydrogen atom is
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MCQs: A balloon filled with 5g of hydrogen contains
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MCQs: The number of protons and neutrons in the nucleus if the atomic number of an element is 17 and the mass number is 35, is
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MCQs: Both elements of 1st period contain valence electrons in
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MCQs: In the periodic table, helium is placed at
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MCQs: Across the period the atomic size decreases due to
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MCQs: The first three periods are
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MCQs: On basis of electronic configuration the group and period of ⁹₅B is
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MCQs: Chemical properties depend upon
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MCQs: Nobel gases are present in
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MCQs: The energy required to remove an electron from the outermost shell is called
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MCQs: As we go from top to bottom in a group the shielding effect
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MCQs: Group A elements are called
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MCQs: Period number of the element indicates the value of
Category: Chemistry Mcqs, Published by: teswesm
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MCQs: The ability of an atom to attract electrons towards itself is called
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MCQs: The average distance between the nucleus and outer shell is called
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MCQs: The horizontal rows of the periodic table are called
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MCQs: The shielding effect across the period
Category: Chemistry Mcqs, Published by: teswesm
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