Question

What is the electron configuration for Helium?

Answer 1

Helium:

• Helium is an element having an atomic number $2$ and an atomic symbol $\mathrm{He}$.
• It belongs to noble gases.
• It is a colourless/odourless and non-toxic gas.

Electronic configuration: The arrangement of electrons into the orbitals of an atom using some fundamental principle is called its electronic configuration.

Electronic configuration of Helium:

• The electronic configuration of Helium is $1{\mathrm{s}}^2$.