ATOMIC STRUCTURE
A)
Mass number
B)
Nuclear charge
C)
Number of neutrons
D)
Number of electrons

Correct Answer : Option (D) - Number of electrons

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A)
6 electrons, 6 protons, 6 neutrons
B)
6 electrons, 12 protons, 6 neutrons
C)
12 electrons, 6 protons, 6 neutrons
D)
18 electrons, 6 protons and 6 neutrons

Correct Answer : Option (A) - 6 electrons, 6 protons, 6 neutrons

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A)
2, 8, 10
B)
2, 6, 8, 4
C)
2, 8, 8, 2
D)
2, 4, 8, 6

Correct Answer : Option (C) - 2, 8, 8, 2

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A)
Atomic number
B)
Mass number
C)
Number of electrons
D)
Chemical properties

Correct Answer : Option (B) - Mass number

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A)
The plot of K.E. of the photoelectrons against frequency of absorbed radiation gives a straight line with slope equal to h and intercept ro
B)
The plot of kinetic energy of the photoelectrons versus the intensity of incident radiation with constant frequency gives a straight line parallel to x-axis
C)
When intensity of light is increased the number of photons ejected increases but the energies of these electrons are the same
D)
The plot of kinetic energy of the photoelectrons against frequency of absorbed radiation gives a straight line parallel to x-axis

Correct Answer : Option (D) - The plot of kinetic energy of the photoelectrons against frequency of absorbed radiation gives a straight line parallel to x-axis

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A)
Metal bond
B)
Molecular bond
C)
Atomic bond
D)
None of the above

Correct Answer : Option (B) - Molecular bond

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A)
100 times
B)
1000 times
C)
1840 times
D)
1880 times

Correct Answer : Option (C) - 1840 times

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A)
postive electrode
B)
negative electrode
C)
both electrodes
D)
none of the electrodes

Correct Answer : Option (A) - postive electrode

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A)
s, p, d, f, g
B)
s, p, f, g, d
C)
s, f, g, d, f
D)
s, d, g, p, f

Correct Answer : Option (A) - s, p, d, f, g

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A)
JJ Thomson
B)
Rutherford
C)
Robert Millikan
D)
James Chadwick

Correct Answer : Option (C) - Robert Millikan

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