Oxygen (O)

Basic Information

Atomic Number: 8

Atomic Mass: 15.999

Symbol: O

Atomic Structure

• Protons: 8
• Neutrons: Varies by isotope
• Electrons: 8

Electron Configuration

[He] 2s2 2p4

Isotopes

• Common and notable isotopes will be listed here.

Physical Properties

• State: Gas
• Melting Point: -218.8 °C
• Boiling Point: -183.0 °C
• Density: 0.001429 g/cm³

Chemical Properties

• Reactivity and bonding characteristics go here.

Occurrence

Description of natural or synthetic occurrence.

Applications

• Major uses in industry, research, or daily life.

Historical Background

Discovery, naming, and significant milestones.

Safety & Toxicity

Hazards, safe handling, and environmental impact.