In chemistry class, I learned about the properties of elements using the periodic table.

This phenomenon occurs cyclically.

His nature is very kind, and he is liked by everyone.

Actinoids are part of the periodic table and have unique chemical properties.

This reaction occurs through a chemical process.

Part of this movie is based on actual events.

The period of this project is one month.

He is majoring in chemistry at university.

He was running while holding a bag.

He always carries an umbrella around.