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41 Nb
Element Revision Sheet

Niobium (Nb)

Transition Metals Block D Group 5 • Period 5
Superhero Identity

"Meet 'Captain Superconductive,' the hero of extreme temperatures and impossible strength! He channels unbelievable power with zero resistance, making him the ultimate power-saver and high-tech enabler."

A memorable persona to anchor Nb in your mind.

Density

8.57

Grams per cm³

Melting Point

2477

Celsius (°C)

Atomic Radius

207

Radius (pm)

Everyday Connection

Daily Life Link

It’s the invisible power behind the mind-bending magnets in MRI machines and the super-strong parts making jet engines scream!

Discovery & History

Year Discovered

1801

Discovered By

Charles Hatchett

Origin of Name

"The name comes from Niobe from Greek mythology, who was the daughter of king Tantalus. This was chosen because of niobium's chemical similarity to tantalum"

Technical Properties

Atomic Mass

92.906 u

Standard State

solid

Boiling Point

4741°C

Electron Configuration

[Kr] 4d45s1

1st Ionization Energy

6.759 eV

Electron Affinity

N/A

Oxidation States

[+5 +3]
Appearance

"A shiny, silvery-gray metal that gleams with the promise of advanced technology."

Did You Know?

1

The Un-Resistor: Niobium is a Type II superconductor, meaning below -263.95 °C (that's FREEZING!), it loses ALL electrical resistance. Zap! No energy wasted!

2

MRI's Secret Weapon: Those powerful magnets in MRI scanners that peer inside your body? They're often made using Niobium-Titanium alloys, harnessing its superconductive magic!

3

Jet Engine Power-Up: A small amount of Niobium dramatically strengthens superalloys, making jet engine parts and rocket components incredibly tough and able to withstand scorching temperatures.

4

Steel's Muscle Mass: Add just a tiny pinch of Niobium (less than 0.1%!) to steel, and BOOM! You get much stronger, lighter steel for buildings, bridges, and cars.

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