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Element Revision Sheet

Neon (Ne)

Noble Gases Block P Group 18 • Period 2
Superhero Identity

"Neon Glow lights up the night, a silent but brilliant guardian, transforming inert gas into dazzling energy with just a spark!"

A memorable persona to anchor Ne in your mind.

Density

0.9

Grams per cm³

Melting Point

-248.59

Celsius (°C)

Atomic Radius

154

Radius (pm)

Everyday Connection

Daily Life Link

That unmistakable, vibrant glow of classic "Open" signs in store windows.

Discovery & History

Year Discovered

1898

Discovered By

William Ramsay & Morris Travers

Origin of Name

"The name comes from the Greek ''neos'', meaning new."

Technical Properties

Atomic Mass

20.18 u

Standard State

gas

Boiling Point

-246.046°C

Electron Configuration

[He] 2s22p6

1st Ionization Energy

21.565 eV

Electron Affinity

N/A

Oxidation States

[0]
Appearance

"Invisible as a gas, but a breathtaking fiery orange-red when electrified."

Did You Know?

1

True Identity Reveal: Neon is one of the "noble gases," meaning it's super chill and rarely reacts with other elements. It's too cool for school!

2

Cosmic Sparkle: Believe it or not, neon is the fifth most abundant element in the universe! We just don't have much of it here on Earth.

3

Earth's Elusive Gem: On Earth, neon is incredibly rare, making up only about 0.0018% of our atmosphere. It's like finding a tiny, glowing needle in a massive haystack!

4

How It Gets Its Glow: When electricity zips through neon gas, it excites the atoms, making their electrons jump to higher energy levels. When they fall back down, *boom* – light!

Ready to Test Your Knowledge?