All precious metals are scarce, less reactive, have a high intrinsic value, and occur naturally.
Since most of them do not have reactive features, they are resistant to corrosion or any reaction that reduces their quality. They are many types of precious metals that have been considered valuable to humans. These metals include gold, palladium, silver, and platinum. We can see how scientists and engineers have employed them in many tech applications.
Humans have long been a tradition to use precious metals, such as gold, for jewelry, wristwatch, chain, and coins. They have found useful applications in devices such as computers, phones, and luxurious gadgets until recent times.
Gold and silver are considered safe havens because they can serve as a means to store wealth when the market is unstable.
These precious metals come in many forms and types; the most common are gold and silver. However, a few precious metals are significantly more sought after and valuable.
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This precious metal is one of the most expensive in existence today. Human has a direct association with gold, so it doesn’t require any introduction. Its extensive use in producing many properties, such as cars, has made the continuous demand for metal extremely high over the past few years.
In its finest form, gold is a bright yellow metal that is malleable, dense, and ductile. These characteristics are why they can maintain a sheet form or be used in electrical wiring. In terms of chemical reactivity, it is one of the least reactive metals. This feature makes gold retain its properties even after years of continuous usage. Alluvial and alluvial deposits contain free-element natural gold nuggets and grains.
Among the most highly prized metals on the planet, silver is one of the most well-known because of its extensive use. This element is identified by its chemical symbol, Ag, and its atomic number, 47.
Silver is a thermally, electrically, and reflectively efficient metal that makes it valuable in the electrical and fashion industry. Most of the world’s silver is a byproduct of refining other metals like lead, copper, and zinc.
In addition to solar panels, water filtration systems, and jewelry. Silver does not corrode easily, so it will find many applications. The precious metal has a high resale value and can be utilized to build wealth over time.
Its chemical symbol is Pd, and its atomic number is 46, making palladium a rarely occurring metal. William Hyde Wollaston found palladium in 1803, which has an unstable nucleus (radioactive). Despite their identical chemical properties, palladium has the lowest melting temperature and the lightest density of the three metals.
Most of the harmful gases emitted by automobile exhaust, like carbon (II) oxide, Sulphur (IV) oxide, can be converted into less poisonous substances thanks to the use of palladium catalyst for conversion purposes. There are several applications for palladium outside jewelry and electronics. It is also used in groundwater cleanup and hydrogen purification.
Palladium is an extremely expensive metal and can take thousands of dollars to obtain.