What is the atomic number of Arsenic?

The atomic number of Arsenic (As) is 33.

What is the atomic mass of Arsenic?

The atomic mass of Arsenic is 74.922 atomic mass units (u).

What group and period is Arsenic in?

Arsenic is in period 4, group 15 of the periodic table. It is a metalloid element in the p-block.

How many valence electrons does Arsenic have?

Arsenic has 5 valence electron(s).

Arsenic (As) — Atomic Number 33 | Soren Periodic Table

Q: What is the electron configuration of Arsenic?

The electron configuration of Arsenic is [Ar] 3d10 4s2 4p3.

Arsenic (As) — Atomic Number 33Notorious poison, also used in semiconductors (GaAs).Arsenic Properties

Atomic Number: 33

Symbol: As

Atomic Mass: 74.922 u

Category: metalloid

Group: 15

Period: 4

Block: p-block

Electron Configuration: [Ar] 3d10 4s2 4p3

Valence Electrons: 5

Electronegativity: 2.18

Ionization Energy: 947.0 kJ/mol

Electron Affinity: 78.0 kJ/mol

Atomic Radius: 114.0 pm

Melting Point: 1090.0 K

Boiling Point: 887.0 K

Arsenic in the Periodic TableArsenic is a metalloid element located in period 4, group 15 of the periodic table. It has the chemical symbol As and atomic number 33. The electron configuration of Arsenic is [Ar] 3d10 4s2 4p3, giving it 5 valence electron(s).Interactive Arsenic LearningExplore Arsenic 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.