What is the atomic number of Argon?

The atomic number of Argon (Ar) is 18.

What is the atomic mass of Argon?

The atomic mass of Argon is 39.948 atomic mass units (u).

What group and period is Argon in?

Argon is in period 3, group 18 of the periodic table. It is a noble-gas element in the p-block.

How many valence electrons does Argon have?

Argon has 8 valence electron(s).

Argon (Ar) — Atomic Number 18 | Soren Periodic Table

Q: What is the electron configuration of Argon?

The electron configuration of Argon is 1s2 2s2 2p6 3s2 3p6.

Argon (Ar) — Atomic Number 18Most abundant noble gas in atmosphere (0.93%).Argon Properties

Atomic Number: 18

Symbol: Ar

Atomic Mass: 39.948 u

Category: noble-gas

Group: 18

Period: 3

Block: p-block

Electron Configuration: 1s2 2s2 2p6 3s2 3p6

Valence Electrons: 8

Electronegativity: Not available

Ionization Energy: 1520.6 kJ/mol

Electron Affinity: 0.0 kJ/mol

Atomic Radius: 71.0 pm

Melting Point: 83.8 K

Boiling Point: 87.302 K

Argon in the Periodic TableArgon is a noble-gas element located in period 3, group 18 of the periodic table. It has the chemical symbol Ar and atomic number 18. The electron configuration of Argon is 1s2 2s2 2p6 3s2 3p6, giving it 8 valence electron(s).Interactive Argon LearningExplore Argon in interactive 3D with the Soren Periodic Table. View Bohr model, quantum orbital model, nucleus inspector, and phase lab with temperature and pressure controls. Includes fun facts, real-world uses, and NCTB curriculum integration for Bangladeshi students.