Electronic Configuration - Atomic and Molecular Structures - Engineering Chemistry 1

TL;DR

This video explains the electronic configuration and orbital filling pattern, including the order in which electrons fill up the different orbitals.

Transcript

hello students in today's class we are going to study the electronic configuration and we will be studying different kinds of electronic configuration for different kinds of orbitals so over here the first thing we are going to study is the electron filling pattern now every orbital whether it is s orbital p orbital b orbital or f orbitals will hav... Read More

Key Insights

• 👻 The electron filling pattern follows a predictable order, allowing us to determine the configuration of electrons in an atom.
• 🦞 Different orbitals have different shapes, which can be visualized as helical, dumbbell-shaped, complex four-lobed, or complex nine-lobed structures.
• 😄 Each orbital has a maximum number of electrons it can hold, with the s, p, d, and f orbitals having capacities of 2, 6, 10, and 14 electrons, respectively.

Questions & Answers

Q: What is the electron filling pattern?

The electron filling pattern refers to the order in which electrons fill up energy levels. It starts with the 1s orbital, followed by 2s, 2p, 3s, 3p, 4s, 3d, 4p, and so on.

Q: What is the maximum number of electrons each orbital can hold?

The s orbital can hold a maximum of two electrons, the p orbital can hold a maximum of six electrons, the d orbital can hold a maximum of ten electrons, and the f orbital can hold a maximum of 14 electrons.

Q: How do the shapes of the different orbitals differ?

The s orbital is helical in shape, the p orbital is dumbbell-shaped, the d orbital has four lobes, and the f orbital has nine lobes.

Q: What is the purpose of the principal, azimuthal, magnetic, and spin quantum numbers?

These quantum numbers help classify and locate electrons in different orbitals. The principal quantum number represents the number of shells, the azimuthal quantum number represents the shape of the orbital, the magnetic quantum number represents the orientation of the orbital, and the spin quantum number represents the spin of the electron.

Summary & Key Takeaways

• Electrons fill up energy levels in a predictable manner called the electron filling pattern, which follows the order 1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, etc.

• Different orbitals have different shapes, with the s orbital being helical, the p orbital being dumbbell-shaped, the d orbital having four lobes, and the f orbital having nine lobes.

• The maximum number of electrons each orbital can hold is: s (2), p (6), d (10), and f (14).