English

Define the term Electronic configuration.

Advertisements
Advertisements

Question

Define the term Electronic configuration.

Definition
Advertisements

Solution

Electronic configuration of an atom is defined as the distribution of its electrons in orbitals.

shaalaa.com
  Is there an error in this question or solution?
Chapter 4: Structure of Atom - Exercises [Page 54]

APPEARS IN

Balbharati Chemistry [English] Standard 11 Maharashtra State Board
Chapter 4 Structure of Atom
Exercises | Q 6. (B)(iii) | Page 54

RELATED QUESTIONS

Using s, p, d notations, describe the orbital with the following quantum numbers n = 3; l =1.


Choose the correct option.

p-orbitals are _________ in shape.


Choose the correct option.

Principal Quantum number describes -


State and explain Pauli’s exclusion principle.


State the order of filling atomic orbitals following Aufbau principle.


Write condensed orbital notation of electronic configuration of the following element:

Chlorine (Z = 17)


Write condensed orbital notation of electronic configuration of the following element:

Calcium (Z = 20)


Draw shapes of 2p orbitals.


Write a note on ‘Principal Quantum number.


Using the concept of quantum numbers, calculate the maximum numbers of electrons present in the ‘M’ shell. Give their distribution in shells, subshells, and orbitals.


Indicate the number of unpaired electrons in \[\ce{Si}\] (Z = 14).


The principal quantum number (n) and magnetic quantum number (ml) for the valence electrons of rubidium atom (Z = 37) are ____________ respectively.


Which mineral among the following contains vanadium in it?


Which of the following properties of atom could be explained correctly by Thomson Model of atom?


Total number of orbitals associated with third shell will be ______.


Orbital angular momentum depends on ______.


The pair of ions having same electronic configuration is ______.


In which of the following pairs, the ions are iso-electronic?

(i) \[\ce{Na^{+}, Mg^{2+}}\]

(ii) \[\ce{Al3^{+}, O-}\]

(iii) \[\ce{Na+ , O2-}\]

(iv) \[\ce{N3-, Cl-}\]


Calculate the total number of angular nodes and radial nodes present in 3p orbital.


The arrangement of orbitals on the basis of energy is based upon their (n + l) value. Lower the value of (n + l), lower is the energy. For orbitals having same values of (n + l), the orbital with lower value of n will have lower energy.

Based upon the above information, arrange the following orbitals in the increasing order of energy.

1s, 2s, 3s, 2p


The arrangement of orbitals on the basis of energy is based upon their (n + l) value. Lower the value of (n + l), lower is the energy. For orbitals having same values of (n + l), the orbital with lower value of n will have lower energy.

Based upon the above information, arrange the following orbitals in the increasing order of energy.

5p, 4d, 5d, 4f, 6s


The arrangement of orbitals on the basis of energy is based upon their (n + l) value. Lower the value of (n + l), lower is the energy. For orbitals having same values of (n + l), the orbital with lower value of n will have lower energy.

Based upon the above information, solve the questions given below:

Which of the following orbitals has the lowest energy?

5p, 5d, 5f, 6s, 6p


What is the difference between the terms orbit and orbital?


Match the quantum numbers with the information provided by these.

Quantum number Information provided
(i) Principal quantum number (a) orientation of the orbital
(ii) Azimuthal quantum number (b) energy and size of orbital
(iii) Magnetic quantum number (c) spin of electron
(iv) Spin quantum number (d) shape of the orbital

Match species given in Column I with the electronic configuration given in Column II.

Column I Column II
(i) \[\ce{Cr}\] (a) [Ar]3d84s0
(ii) \[\ce{Fe^{2+}}\] (b) [Ar]3d104s1
(iii) \[\ce{Ni^{2+}}\] (c) [Ar]3d64s0
(iv) \[\ce{Cu}\] (d) [Ar] 3d54s1
  (e) [Ar]3d64s2

In the case of R, S configuration the group having the highest priority is ______.


Which of the following element do not follow Aufbau principle?


What are the possible values of magnetic quantum number for p orbital?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×