Osmium, at a glance
The compact reference sheet: identity, structure, physical constants, and the facts worth remembering.
Read quick facts →Resources / Field guideStart with the
Start with the
uncommon.
A working library for curious minds. Move from the atomic basics to the practical questions surrounding osmium, with concise notes, primary references, and downloadable data.
Finding Os on the periodic table
Understand osmium’s neighbors, electron configuration, and why its place in group 8 matters.
Open explainer →Why density changes the story
A visual guide to mass, volume, and the careful measurements behind osmium’s famous distinction.
Read field note →Working with osmium compounds
Essential context on osmium tetroxide, exposure controls, storage, and responsible laboratory practice.
Review safety notes →A short history of osmium
From an unexpected residue in platinum ore to a material still shaping modern research.
Follow the story →Technical data sheet
Key constants and material properties in a clean, printable format for your desk or lab book.
Download data sheet ↓No resources match that search. Try “density”, “history”, or “safety”.
A considered referenceGood science starts
Good science starts
with good questions.
Numbers are useful, but context matters. Our methodology explains how values are selected, where uncertainty enters, and how to read the information on this site.
Our methodology ↗