PERIODIC TABLE WORDS

Each answer is a four-letter word made up of a pair of two-letter chemical symbols. (e.g., Polonium + Selenium. Answer: Pose (Po + Se).)

Freshman level

1. Calcium + Neon

2. Iron + Astatine

3. Lanthanum + Tellurium

Graduate level

4. Bromine + Silver

5. Protactinium + Thorium

6. Bismuth + Arsenic

Ph.D. level

7. Thorium + Astatine

8. Lithium + Iron

9. Oganesson + Rhenium

Answers: 1. Cane. 2. Feat. 3. Late. 4. Brag. 5. Path. 6. Bias. 7. That. 8. Life. 9. Ogre.

— North America Syndicate