Hafnium

chemicalelements.com

Basic information, atomic structure, and isotopes.

254 visits Aug 2, 2025 Details

environmentalchemistry.com

Atomic structure, chemical and physical properties, and table of nuclides.

379 visits Jan 8, 2025 Details

scescape.net

Data tables and historic information.

491 visits Mar 5, 2025 Details

lenntech.com

Physical data, chemical properties, health and environmental effects.

75 visits Mar 18, 2024 Details

ebelements.com

Extensive information on history, uses, occurrence, compounds, and properties.

56 visits Feb 12, 2025 Details

en.wikipedia.org

Properties of the element, including its history, applications, and characteristics.

388 visits Jan 14, 2025 Details