It is named after Ytterby, Sweden.

It was discovered in the year 1843.

It was discovered by Carl Gustaf Mosander.

It's a rare earth element.

The color of it is a silvery-white.

It's used in the coloring of T.V.

It's also used in low battery light bulbs.

The symbol for terbium is Tb.

The boiling point for it is 5,840°F.

It becomes a solid at room temperature.