Science
Which superheavy element is named after the Russian town of Dubna?
- Dubnium
- Moscovium
- Flerovium
The answer is Dubnium. Element 105.

Dubnium is a synthetic chemical element; it has symbol Db and atomic number 105. It is highly radioactive: the most stable known isotope, dubnium-268, has a half-life of about 16 hours. This greatly limits extended research on the element.
Wikipedia · Dubnium