NEET Chemistry

Hafnium: electronic configuration and properties

Hafnium has atomic number 72 and electronic configuration [Xe] 4f14 5d2 6s2. Explore its periodic behaviour and open the interactive atom model.

Open Hafnium in 3D

Key properties of Hafnium

Symbol
Hf
Atomic number
72
Atomic mass
178.49(2)
Family
transition metal
Electronic configuration
[Xe] 4f14 5d2 6s2
Shell distribution
2, 8, 18, 32, 10, 2
Oxidation states
2, 3, 4
Standard state
solid

Periodic behaviour

Atomic radius: 150 pm. Electronegativity: 1.3. First ionisation energy: 659 kJ/mol. Use these values comparatively across a period or group rather than memorising them in isolation.

NEET exam focus

For NEET, prioritise the NCERT electronic configuration, periodic position, common oxidation states, and direct trend-based comparisons involving Hafnium.

Related transition metal elements

Frequently asked questions

What is the electronic configuration of Hafnium?

Hafnium has electronic configuration [Xe] 4f14 5d2 6s2, with shell distribution 2, 8, 18, 32, 10, 2.

What are the oxidation states of Hafnium?

The listed oxidation states are 2, 3, 4.

How can I view the Hafnium atom in 3D?

PracticeNEET's interactive periodic table provides a rotatable schematic atom with accurate electron populations by shell.