The odd one out is mercury. It is a liquid metal at room temperature, while the others are all solid metals. Mercury is also the only metal that is liquid at room temperature. It is a silvery-white metal that is very dense and has a high melting point. Mercury is used in thermometers, barometers, and other scientific instruments. It is also used in some batteries and electrical switches. Mercury is a toxic metal and can be harmful to human health if it is inhaled or ingested.
Aluminium is a silvery-white metal that is lightweight and strong. It is the most abundant metal in the Earth’s crust, but it is not found in its pure form. Aluminium is extracted from bauxite ore, which is a clay-like mineral. Aluminium is used in a wide variety of products, including cars, airplanes, buildings, and appliances.
Copper is a reddish-brown metal that is ductile and malleable. It is a good conductor of heat and electricity. Copper is used in a variety of products, including electrical wiring, plumbing, and coins.
Iron is a silvery-gray metal that is strong and hard. It is the most common metal in the Earth’s crust. Iron is used in a variety of products, including cars, buildings, and appliances.
Zinc is a bluish-white metal that is hard and brittle. It is used in a variety of products, including batteries, paints, and galvanizing steel.