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Element Revision Sheet

Scandium (Sc)

Transition Metals Block D Group 3 • Period 4
Superhero Identity

"The Alloy Ace, a rare hero who makes other metals super-strong, the secret weapon of fighter jets."

A memorable persona to anchor Sc in your mind.

Density

2.985

Grams per cm³

Melting Point

1541

Celsius (°C)

Atomic Radius

211

Radius (pm)

Everyday Connection

Daily Life Link

High-end, lightweight bicycle frames.

Discovery & History

Year Discovered

1879

Discovered By

Lars Fredrik Nilson

Origin of Name

"The name derives from ''Scandia'', the Latin name for Scandinavia."

Technical Properties

Atomic Mass

44.956 u

Standard State

solid

Boiling Point

2836°C

Electron Configuration

[Ar] 3d14s2

1st Ionization Energy

6.561 eV

Electron Affinity

N/A

Oxidation States

[+3]
Appearance

"A soft, silvery-white metallic element."

Did You Know?

1

The existence and properties of scandium were predicted by Dmitri Mendeleev five years before it was actually discovered; he called it 'ekaboron'.

2

Adding a small amount of scandium to aluminium creates an alloy that is exceptionally strong and lightweight, used in fighter jets and high-end bicycle frames.

3

Scandium is more abundant in the Moon's crust than it is on Earth.

4

The bright, white light in stadium lamps often comes from scandium iodide being added to mercury-vapor lamps.

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