Top 10 metals facts Selected as the most interesting among chemistry related questions in Chemistry quiz If a gun bullet was made of gold, what properties would it have?Armor-piercing. The density of gold is 19,320 kg/m3, which is higher than of uranium (18,800) and much higher than of lead (11,340). The armor-piercing ammo is made of uranium for its high density - golden bullets would work for this purpose even better.Created by: Cleogold facts » Brass is an alloy made of ...Zinc and copper. Brass is a metallic alloy that is made of copper and zinc. The proportions of zinc and copper can vary to create different types of brass alloys with varying mechanical and electrical properties.Created by: Tschukatechnical facts » What is the rarest metal in the Earth's crust?Rhenium is a chemical element with symbol Re It is a silvery-white, heavy, third-row transition metal in group 7 of the periodic table. With an estimated average concentration of 1 part per billion (ppb), rhenium is one of the rarest elements in the Earth's crust. Discovered in 1908, rhenium was the second-last stable element to be discovered. It was named after the river Rhine in Europe. Created by: TschukaEarth facts » When and where was the idea of gold, silver and bronze medals for sport event competitors introduced?1904 Summer Olympics, St. Louis. The choice of metals comes from the first three Ages of Man in Greek mythology: the Golden Age, when men lived among the gods; the Silver age, where youth lasted a hundred years; and the Bronze Age, the era of heroes.Created by: KasiaOlympic Games facts » What material are church bells made of?Bronze. The traditional metal for church bells is a bronze of about 23% tin. Steel was tried during the busy church-building period of mid-19th-century England, for its economy over bronze, but was found not to be durable.Created by: globalquiz.orgalloys facts » Which naturally occuring chemical element is the densest?Osmium. The density of osmium is 22,570 kg/m3, slightly more than Iridium (22,420) and platinum (21,450). Commonly used metals are considerably less dense - the density of iron is 7,870, lead 11,340 and mercury 13,456.Created by: globalquiz.orgchemical elements facts » How much did the biggest gold nugget weigh?235 kg. Record big nugget was found in Australia in 1872. It weighed 7555.42 oz that is 235 kg and measured 1.42 m.Created by: smyrugeology facts » What is steel made from?From iron and coal. Steel is an alloy made from iron and coal. It gets harder the more coal you use to make it.Created by: NayaNoconstruction facts » Which of these elements is not a precious metal?Lanthanum is a chemical element with symbol La . It is a soft, ductile, silvery-white metal that tarnishes rapidly when exposed to air and is soft enough to be cut with a knife. Lanthanum does not belong to precious metals. Created by: Tschukachemistry facts » Which of the following metals is the most reactive?Cesium. Caesium or cesium is a chemical element with symbol Cs and atomic number 55. It is a soft, silvery-gold alkali metal . Is most reactive of all metals. Created by: Tschukachemistry facts » Play chemistry quiz and see all the questions.