TRUST & TRANSPARENCY
A little more clarity.
Version 1.2 · 23 September 2026
Do I need an account?
No. All educational pages, comparisons and learning activities are available without registration.
Why are some numbers in brackets?
For elements without a standard atomic weight, the table displays a selected isotope’s mass number in brackets. This is not an average atomic weight. Check the source notes for the edition used.
Are production figures exports?
No. Production, exports and reserves are different measures. The current charts show selected producers of lithium, copper and gold, with units, estimates and reporting year.
How do I change language?
Use the language selector at the top. It opens the corresponding page and remembers the choice on your device.