Difference Between Orbit and Orbital for JEE Main 2024

Difference Between Orbit And Orbital

Last updated date: 20th Apr 2024

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An introduction to Orbit and Orbital

In atomic structure, an orbit is defined as a path of regular shape where electrons are used to revolve. The revolution of electrons in the orbit is possible to the attraction or pull of electrons towards the nucleus. According to Bohr’s model of atomic structure, the first shell of an atom shall have only two atoms.

An orbital is an uncertain region where the possibility of the presence or locating of an electron is maximum. There is a 3-D space surrounding the nucleus that is actually representative of the orbital. It is also possible for the orbital to have different kinds of shapes because of its energy.

What is Orbit?

Orbit is a well-defined circular path around the nucleus in which electrons revolve around the nucleus. It is also called a shell. It is denoted by the principal quantum number ‘n’. Electrons can jump from one orbit to another by either absorbing energy or releasing energy. Suppose if an electron comes from a higher energy level to a lower energy level then it has to release a specific amount of energy and if an electron jumps from a lower energy level to a higher energy level then it absorbs energy.

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What is Orbital?

Atomic orbitals are 3-dimensional spaces around the nucleus where the probability of finding an electron is maximum. Molecular orbitals are made up of atomic orbitals or hybrid atomic orbitals. In elementary quantum chemistry, we encounter orbitals corresponding to the s, p, d and f subshells. Orbitals are of different shapes and sizes which can be determined by the square of the wave function.

Different Shapes of Orbitals

The shapes of different orbitals are given below.

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Difference between Orbits and Orbitals

There are some other differences that are given below. We can distinguish orbit and orbital on the basis of the following points -

S.No.	Orbits	Orbitals
1	Orbit is a well-defined circular path around the nucleus in which electrons revolve around the nucleus.	The 3-dimensional space around the nucleus where the probability of finding an electron is maximum is called an orbital.
2	It represents the motion of an electron in one plane.	It represents the motion of an electron in three-dimensional space.
3	All the orbits are either circular or elliptical.	Orbitals are of different shapes such as spherical, dumbbell and double dumbbell.
4	In an orbit one, two or more than two electrons can be present. In an orbit number of electrons can be 2n2 where ‘n’ is the number of orbits or principal quantum numbers.	In one orbital maximum of two electrons can be filled.
5	Orbits are non-directional in nature.	Orbitals are directional in nature except for s-orbitals which are spherical in shape.
6	Orbits represent that position and momentum of an electron can be measured simultaneously with certainty. Which is against Heisenberg's principle.	Orbitals concept completely complies with Heisenberg's uncertainty principle.
7	Orbits are represented by letters K, L, M, N etc.	Orbitals are represented by letters like f, s, p, and d.

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Conclusion

Hence knowing about the difference between orbit and orbital is an essential concept of atomic structure because people often get confused between these two terms as they sound similar but actually they have different meanings.

FAQs on Difference Between Orbit and Orbital for JEE Main 2024

1. What are orbit and orbitals?

In atomic chemistry, an orbit is defined as a definite path of a regular shape on which the revolution of electrons takes place. This revolution occurs because of the pull of electrons towards the nucleus. According to the atomic model of Bohr, the first shell of an atom have only two atoms.

An orbital is defined as an uncertain region or area which has the maximum probability of locating an electron. There is a three-dimensional (3-D) space surrounding the nucleus of an atom which represents the orbital. The orbitals have shapes, sometimes one orbital can have two shapes.

2. What are the difference between orbit and orbitals?

An orbit provides a path for electrons to revolve around the nucleus and an orbital is referred to as the probable area where it is expected to find the maximum density of electron presence within an atom. This is the basic difference between orbit and orbitals that one should always remember. One more key difference between them is related to the position of electrons because an orbit provides an exact position of electrons within the atom on the other side an orbital does not provide an accurate representation of the position of an electron.