Roentgenium is one of the elements on the periodic table.

Darmstadt is a beautiful city in Germany.

Darmstadtium is one of the chemical elements.

He is deeply studying about the counterpoint in music.

He is undergoing rehabilitation at the sanatorium.

Rutherfordium is one of the elements on the periodic table.

My main business is project management.

Scandium is a rare element that exists in very small amounts in the earth's crust.

Polonium is one of the radioactive elements.

We will use cadmium in this chemical experiment.