Can you open https://www.khanacademy.org/science/chemistry/ap-chemistry/atoms-compounds-ions-ap/modal/v/introduction-to-chemistry from mainland China?
Yes.
No recent testsVerdict from 2026-04-26 · 4 mo ago
As of the last test on 2026-04-26 — 4 mo ago — it was reachable in mainland China. We haven't tested it since, so this may have changed.
Frequently asked questions
Is https://www.khanacademy.org/science/chemistry/ap-chemistry/atoms-compounds-ions-ap/modal/v/introduction-to-chemistry blocked in mainland China right now?
We haven't tested https://www.khanacademy.org/science/chemistry/ap-chemistry/atoms-compounds-ions-ap/modal/v/introduction-to-chemistry in the last 90 days. As of the last test on 2026-04-26 (4 mo ago), it was reachable in mainland China. Use the Test now button on this page for a fresh measurement.
https://www.khanacademy.org/science/chemistry/ap-chemistry/atoms-compounds-ions-ap/modal/v/introduction-to-chemistry · JSON