The Periodic Table:

1. Selenium is named after what celestial body?

2. What is Wolfram better known as (by English speakers)?

3. Helium is named after what celestial body?

4. What is the literal meaning of 'hydrogen'?

5. After a long process involving several stages, into what stable element does U238 eventually decay?

6. Other than californium, what element is named after a US state?

7. After what Asian country is nihonium named?

8. What element sounds like the birthplace of a DC comics superhero?

9. With reference to the previous question, what does the name of that element actually mean?

10. As of August 2020, how many elements are there on the periodic table?