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Standard XII

Chemistry

Multi-Electron Configurations and Orbital Diagrams

In the ground...

Question

In the ground state of $C u^{+}$ , the number of shells occupied, sub-shells occupied, filled orbitals and unpaired electrons respectively are:

4, 8, 15, 0

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3, 6, 15, 1

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3, 6, 14, 0

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4, 7, 14, 2

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Solution

The correct option is D 3, 6, 14, 0
$_{29} C_{u} = 1 s^{2}, 2 s^{2}, 2 p^{6}, 3 s^{2}, 3 p^{6}, 4 s^{1}, 3 d^{10}$
$C u^{+} = 1 s^{2}, 2 s^{2}, 2 p^{6}, 3 s^{2}, 3 p^{6}, 3 d^{10}, 4 s^{0}$
Total number of shells occupied = 3
Number of sub-shells occupied = 6
Number of orbitals filled = 14
Number of unpaired electrons = 0

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Similar questions

Sub shells	Number of orbitals $(2 l + 1)$	Maximum number of electrons
$s (l = 0)$	$1$	$2$
$p (l = 1)$	$3$	$6$
$d (l = 2)$	$5$	$10$
f(l = 3)$	$7$	$14$

Write which sub shell has maximum number of electrons?

Sub shells	Number of orbitals $(2 l + 1)$	Maximum number of electrons
$s (l = 0)$	$1$	$2$
$p (l = 1)$	$3$	$6$
$d (l = 2)$	$5$	$10$
$f (l = 3)$	$7$	$14$

Write the number of orbitals for

^{'} d^{'}

shell.

Q. Maximum number of electrons that can occupy s, p, d and f sub shells respectively are:

Q. The ages of students of 10^th class, in a school are as follows. The ages are given in years months.

14

-

6, 13

-

11, 15

-

2, 16

-

0, 13

-

9, 14

-

5, 14

-

7, 14

-

0,
15

-

0, 15

-

1, 16

-

2, 14

-

1, 13

-

11, 16

-

0, 14

-

5, 14

-

0,
14

-

8, 14

-

4, 15

-

4, 15

-

9, 15

-

1, 14

-

10, 14

-

-

8

15

-

1, 14

-

1, 16

-

0, 13

-

10, 14

-

0, 15

-

0, 13

-

6, 13

-

11,
14

-

3, 14

-

8, 14

-

7, 14

-

8, 14

-

1, 15

-

0, 15

-

1, 14

-

4,
14

-

9, 14

-

9, 14

-

10, 15

-

3, 14

-

9, 13

-

10, 13

-

2, 15

-

1,

Prepare a grouped frequency distribution table (classes; 13

-

14, 14

-

15, 15

-

16, ....)

Q. If Avogadro number is

6 \times 10^{23}

, then number of protons, neutrons and electrons in 14 gms of

{_{6} C}^{14}

are respectively.

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In the ground state of Cu+, the number of shells occupied, sub-shells occupied, filled orbitals and unpaired electrons respectively are:

The correct option is D 3, 6, 14, 029Cu=1s2,2s2,2p6,3s2,3p6,4s1,3d10Cu+=1s2,2s2,2p6,3s2,3p6,3d10,4s0Total number of shells occupied = 3 Number of sub-shells occupied = 6 Number of orbitals filled = 14 Number of unpaired electrons = 0

In the ground state of $C u^{+}$ , the number of shells occupied, sub-shells occupied, filled orbitals and unpaired electrons respectively are: