Structure of Atom Quiz 6 – Punjab Meritorious School Preparation Portal

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If magnetic quantum number of a given atom represented by 3, then what will be its principal quantum number?

2

3

4

5

Number of unpaired electrons in N²⁺ is

2

0

1

3

An ion has 18 electrons in the outermost shell, it is

Wavelength associated with electron motion

increases with increase in speed of electron

remains same irrespective of speed of electron

decreases with increase of speed of e– (electron)

is zero.

For azimuthal quantum number l = 3, the maximum number of electrons will be

2

6

0

14

For which one of the following sets of four quantum numbers, an electron will have the highest energy?

n l m s

3 2 1 1/2

4 2 –1 1/2

4 1 0 –1/2

5 0 0 –1/2

Which of the following should be the possible sub-shells, for n + l = 7 ?

The total number of electrons that can be accommodated in all orbitals having principal quantum number 2 and azimuthal quantum number 1 is

2

4

6

8

The following quantum numbers are possible for how many orbital(s) n = 3, l = 2, m = +2 ?

1

3

2

4

The electronic configuration of gadolinium (Atomic number 64) is

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