Eicosane is one of the important compounds in organic chemistry.

Hexacosane is a type of saturated hydrocarbon in organic chemistry.

In the organic chemistry experiment, we succeeded in synthesizing cycloicosane.

The head of the household has a responsibility to protect the safety of all family members.

If you want to study Japanese, there's nothing better than going to Japan.

Mercury is a harmful element for the body.

Her hair was shining in silver.

Mercury is a metal that is liquid at room temperature.

He is looking for a silver bullet to solve the problem.

Penguins live in Antarctica.