Atomic structure GK : Multiple Choice Questions

Question : Within an atom, the nucleus when compared to the extra nuclear part is

A. same size

B. smaller in volume and lighter in mass

C. smaller in volume but heavier in mass

D. bigger in volume and heavier in mass

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Question Listed : Atomic Structure,

Question : Who of the following was awarded the Nobel Prize for his measurement of elementary electronic charge?

A. JJ Thomson

B. James Chadwick

C. Robert Millikan

D. Rutherford

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Question Listed : Atomic Structure, Nobel Prize,

Question : Which of the following is true about a charged atom?

A. anion has lost an electron

B. cation has gained an electron

C. cation is negatively charged

D. anion is negatively charged

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Question Listed : Atomic Structure,

Question : What would be the atomic number of the element in whose atom the K and L shells are full?

A. 16

B. 14

C. 12

D. 10

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Question Listed : Atomic Structure,

Question : The proton is heavier than an electron by

A. 2827 times

B. 3837 times

C. 1837 times

D. 187 times

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Question Listed : Atomic Structure,

Question : The isotopes of neutral atoms of an element differ in

A. Chemical properties

B. Number of electrons

C. Mass number

D. Atomic number

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Question Listed : Atomic Structure,

Question : The electronic configuration of an atom having atomic number 20 is

A. 2, 4, 8, 6

B. 2, 6, 8, 4

C. 2, 8, 10

D. 2, 8, 8, 2

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Question Listed : Atomic Structure,

Question : The atomic theory of matter was first proposed by

A. Niels Bohr

B. J. J. Thomson

C. Rutherford

D. John Dalton

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Question Listed : Atomic Structure,

Question : How many electrons does the outermost shell of neon have?

A. 16

B. 2

C. 8

D. 4

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Question Listed : Atomic Structure,

Question : How are the subshells in an atom labelled?

A. s, d, g, p, f

B. s, f, g, d, f

C. s, p, f, g, d

D. s, p, d, f, g

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Question Listed : Atomic Structure,

Question : During a chemical reaction, atomic number

A. changes alternately

B. changes and then is restored

C. remains same

D. changes

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Question Listed : Atomic Structure,

Question : An element has an electronic configuration of 2, 8, 7. Its valency is

A. 1

B. 3

C. 7

D. 2

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Question Listed : Atomic Structure,

Question : An atom has a mass number of 37 and atomic number 17. How many protons does it have?

A. 21

B. 54

C. 17

D. 20

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Question Listed : Atomic Structure,