Structure of Atom Test

Result

Structure of Atom Test - 10

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Weekly Quiz Competition

Question 1
4 / -1

If electron has spin quantum number of +1⁄2 and a magnetic quantum number –1, it cannot be present in

A
d–orbital

B
f–orbital

C
p–orbital

D
s–orbital.
Question 2
4 / -1

Number of unpaired electrons in N²⁺ is

A
2

B
0

C
1

D
3

Solution
Question 3
4 / -1

The spectrum of He⁺ is expected to be similar to that of

A
Hydrogen

B
Li⁺

C
Na

D
He
Question 4
4 / -1

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

A
2

B
6

C
0

D
14
Question 5
4 / -1

The electronic configuration of Cu (atomic number 29) is

A

B

C

D
Question 6
4 / -1

Which combinations of quantum numbers n, l, m and s for the electron in an atom does not provide a permissible solution of the wave equation?

A
3, 2, –2, 1⁄2

B
3, 3, 1, – 1⁄2

C
3, 2, 1, 1⁄2

D
3, 1, 1, – 1⁄2
Question 7
4 / -1

How many electrons can have the values n = 2, l = 1 and s = + 1⁄2 in the configuration 1s²2s²2p³?

A
1

B
3

C
5

D
7
Question 8
4 / -1

Electronic configuration of calcium atom can be written as

A
[Ne], 4p²

B
[Ar], 4s²

C
[Ne], 4s²

D
[Kr], 4p²

Solution
Question 9
4 / -1

The probability of finding an electron residing in a p_x orbital is zero

A
in the yz plane

B
in the xy plane

C
in the y–direction

D
in the z–direction
Question 10
4 / -1

From the given sets of quantum numbers, the one that is inconsistent with the theory is

A
n = 3; l = 2; m = –3; s = +1/2

B
n = 4; l = 3; m = 3; s = +1/2

C
n = 2; l = 1; m = 0; s = –1/2

D
n = 4; l = 3; m = 2 ; s = +1/2