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54 Xe
Element Revision Sheet

Xenon (Xe)

Noble Gases Block P Group 18 • Period 5
Superhero Identity

"Meet Xenon, the 'Noble Luminary'! Usually chill and invisible, but zap it with electricity and BAM – it transforms into a brilliant light-bender, revealing secrets and powering the future!"

A memorable persona to anchor Xe in your mind.

Density

5.894

Grams per cm³

Melting Point

-111.75

Celsius (°C)

Atomic Radius

216

Radius (pm)

Everyday Connection

Daily Life Link

Ever been dazzled by super bright car headlights? Thank Xenon!

Discovery & History

Year Discovered

1898

Discovered By

William Ramsay & Morris Travers

Origin of Name

"The name is derived from the Greek ''xenos'' meaning stranger."

Technical Properties

Atomic Mass

131.293 u

Standard State

gas

Boiling Point

-108.099°C

Electron Configuration

[Kr] 4d105s25p6

1st Ionization Energy

12.13 eV

Electron Affinity

N/A

Oxidation States

[0]
Appearance

"Invisible gas, but electrify it and watch a stunning blue-violet light show!"

Did You Know?

1

Noble but Not Shy: Xenon is a "noble gas," meaning it's generally unreactive. But don't let that fool you – it was the first noble gas ever proven to form compounds, shattering old chemistry rules!

2

Light Source Legend: This element is the secret behind incredibly powerful, super-bright light sources, like the intense HID (High-Intensity Discharge) headlights on luxury cars and cinema projectors that light up huge screens.

3

Cosmic Commuter Fuel: Forget rocket fuel! Xenon is the propulsion power for advanced ion thrusters on spacecraft. It's how satellites and space probes quietly zoom across the solar system!

4

Instant Glow-Up: Pass electricity through xenon gas, and it bursts into a mesmerizing blue-violet light. Think futuristic neon signs, but with an even more vibrant, electric glow!

Ready to Test Your Knowledge?