Physical science worksheet focusing on the names of chemical elements, with exercises on elements named after countries, states, cities, and planets.

Here are the answers to the worksheet questions based on the Periodic Table of Elements.

A. Some elements are named after places.

1. Francium (Named after France)
2. Germanium (Named after Germany)
3. Americium (Named after America)
4. Polonium (Named after Poland)
5. Scandium (Named after Scandinavia)
6. Californium (Named after the state of California)
7. Berkelium (Named after the city of Berkeley, California)
8. Europium (Named after the continent of Europe)

B. Four of the elements are named after planets.

*(Note: While Uranus and Neptune are also planets, they are typically covered in later sections regarding "dwarf planets" or specific celestial bodies in these types of worksheets. The four classical planet-named elements are listed below.)*

| Element Name | Planet Name |
| :--- | :--- |
| Mercury | Mercury |
| Uranium | Uranus |
| Neptunium | Neptune |
| Plutonium | Pluto |