Element 6

Carbon (C)

Carbon is a chemical element with symbol C and atomic number 6. It is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds.

Atomic Number

6

Atomic Mass

12.011 u

Category

Nonmetal

Period

2

Group

Group 14: carbon group

Phase

solid

Density

2.267 g/cm3

Electron Shells

2, 4

Atomic Structure

Protons: 6. Electrons: 6. Neutrons: Varies by isotope.

Electron configuration: 1s² 2s² 2p²

Why Carbon Matters

Carbon helps connect atomic number 6, nonmetal behavior, period 2 trends, and electron shell structure. Its solid phase, atomic mass of 12.011 u, and electron configuration 1s² 2s² 2p² make it useful for comparing bonding patterns across the periodic table.

Discovery and Occurrence

Carbon was discovered Unknown. Carbon is a chemical element with symbol C and atomic number 6. It is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds.

Safety and Handling Context

Carbon is presented here for learning and comparison. Pure elements and laboratory compounds can have hazards that depend on dose, form, and setting.

Related Elements

Frequently Asked Questions

What is the atomic number of Carbon?
Carbon has atomic number 6, which means a neutral atom has 6 protons and 6 electrons.
What is the chemical symbol for Carbon?
The chemical symbol for Carbon is C.
What category is Carbon in?
Carbon is classified as a nonmetal and sits in period 2 of the periodic table.

Explore Carbon in 3D

Use the interactive table above to rotate atomic models, compare periodic trends, and move from Carbon to neighboring elements without losing your place.