Structure of Atom Test

Result

Structure of Atom Test - 1

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
4 / -1

What is the maximum numbers of electrons that can be associated with the following set of quantum numbers?
n = 3, l = 1 and m = –1

A
6

B
4

C
2

D
10
Question 2
4 / -1

The energy of a photon is 3 × 10^-12 ergs. What is its wavelength in nm ?
( h = 6.62 × 10^-27 ergs, c = 3 × 10¹⁰ cm/s )

A
662

B
1324

C
66.2

D
6.62

Solution
Question 3
4 / -1

Which one of the following is the set of correct quantum numbers of an electron in 3d orbital ?

A
n = 3, l = 0, m = 0, s = -1/2

B
n = 2, l = 3, m = 0, s = + 1/2

C
n = 3, l = 1, m = 0, s = - 1/2

D
n = 3, l = 2, m = 1, s = + 1/2
Question 4
4 / -1

An electron with values 4, 3, -2 and + 1/2 for the set of four quantum numbers n, l, m_l and m_s, respectively, belongs to

A
4s orbital

B
4p orbital

C
4d orbital

D
4f orbital
Question 5
4 / -1

Which of the following is not permissible arrangement of electrons in an atom?

A
n = 5, l = 3, m = 0, s = + 1/2

B
n = 3, l = 2, m = – 3, s = – 1/2

C
n = 3, l = 2, m = – 2, s = – 1/2

D
n = 4, l = 0, m = 0, s = – 1/2
Question 6
4 / -1

Maximum number of electrons in a subshell of an atom is determined by the following:

A
2 l + 1

B
4 l – 2

C
2 n²

D
4 l + 2

Solution
Question 7
4 / -1

If uncertainty in position and momentum are equal, then uncertainty in velocity is :

A

B

C

D
Question 8
4 / -1

The atomic number of Ni and Cu are 28 and 29 respectively. The electronic configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ represents

A
Cu⁺

B
Cu²⁺

C
Ni²⁺

D
Ni

Solution
Question 9
4 / -1

Among the following series of transition metal ions, the one in which all metal ions have 3d ² electronic configuration is (At no. Ti = 22, V = 23, Cr = 24 and Mn = 25)

A
Ti³⁺, V²⁺, Cr³⁺, Mn⁴⁺

B
Ti⁺, V⁴⁺, Cr⁶⁺, Mn⁷⁺

C
Ti⁴⁺, V³⁺, Cr²⁺, Mn³⁺

D
Ti²⁺, V³⁺, Cr⁴⁺, Mn⁵⁺

Solution
Question 10
4 / -1

The number of d-electrons retained in Fe²⁺ (atomic number Fe = 26) ions is

A
3

B
4

C
5

D
6

Solution