Researchers analyzed the catalytic properties of noble metals to design more efficient fuel cells.

Smelting plants often process base metals like copper and nickel to produce industrial alloys.

The workshop received a shipment of sheet metals for the new prototype.

Chemists often study the catalytic properties of transition metals in industrial processes.

alkali metals react violently with water, so they must be stored under oil to prevent dangerous reactions.

Antique collectors often prefer white metals for delicate filigree work because they resist tarnish.

The chemist explained how earth metals differ from transition metals in their reactivity and abundance.

Industrial wastewater often contains heavy metals that contaminate rivers.

The conservator tested fragments from the ancient bells and identified several bell metals used by the foundry.

Many non-metals are essential for life, including oxygen and nitrogen.