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What are element 58-71 called?
They are called Lanthanoids or the Lanthanide Series.
Why are metals usually more useful when they are mixed?
Metals are usually more useful when mixed because alloying can improve their mechanical properties, such as strength, hardness, and corrosion resistance. By combining different metals, it is possible to create alloys with a wide range of properties tailored to specific applications. Additionally, alloys often have better performance characteristics compared to pure metals.
Definition of lanthanides?
Lanthanides are a group of chemical elements in the periodic table with atomic numbers 57 to 71. They are characterized by similar chemical properties and are often found together in nature. Lanthanides have important industrial applications, such as in electronics, magnets, and catalysts.
What metals are considered non ferrous?
Non-ferrous metals are metals that do not contain iron. Some common examples include aluminum, copper, lead, zinc, and brass. These metals are often used in industries such as electronics, aerospace, and construction due to their non-magnetic and corrosion-resistant properties.
What do coinage metals have in common?
Coinage metals are typically characterized by their excellent conductivity, malleability, and resistance to corrosion. They are often used in the production of coins and jewelry due to their durability and aesthetic appeal. Some common examples include copper, silver, and gold.
Why is silver often mixed with other metals?
because it is an harding agent
Are metals often mixed?
Yes, metals are often mixed to create alloys with improved properties such as strength, corrosion resistance, and hardness. Common examples of metal alloys include steel (iron and carbon), bronze (copper and tin), and brass (copper and zinc).
Which two families of elements often combine to form ''salts''?
The family that combines with metals to form salts is the halogen family. There are other nonmetals that can be mixed with metals to form salts, but halogens are the most common.
What are some properties of mixed metals?
There are a number of physical properties that can be present in meted metals. These metals are often very dull in appearance for example.
Explain why other elements are often mixed with metals to make alloys?
Alloys have improved features compared with single metals.
What are the elements with atomic numbers from 58 to 71 called?
The elements with atomic numbers from 58 to 71 are called the lanthanides. They are a group of metallic elements that have similar chemical properties due to their electron configurations. The lanthanides are commonly used in various applications such as in the production of electronic devices and catalysts.
What are element 58-71 called?
They are called Lanthanoids or the Lanthanide Series.
Elements with atomic numbers of 58 through 71 are known as the?
Elements with atomic numbers of 58 through 71 are known as the lanthanides, a group of transition metals that have similar properties and are often found together in nature. They are commonly used in various applications such as magnets, catalysts, and electronic devices.
Is a piece of silver a mixture?
If it is pure Silver, then no, it would be an element. However, pure metals are often hard to come by because they have properties that can be undesirable, e.g. they're too soft or too brittle. Because of this, metals are often mixed and are considered alloys, a mixture of metals.
Gold jewelry is a pure compound or a mixture?
Gold jewelry is typically an alloy, which is a mixture of gold and other metals such as silver, copper, or zinc. Pure gold jewelry is less common due to its softness, so it is often mixed with other metals to increase its strength and durability.
Why are metals usually more useful when they are mixed?
Metals are usually more useful when mixed because alloying can improve their mechanical properties, such as strength, hardness, and corrosion resistance. By combining different metals, it is possible to create alloys with a wide range of properties tailored to specific applications. Additionally, alloys often have better performance characteristics compared to pure metals.
Definition of lanthanides?
Lanthanides are a group of chemical elements in the periodic table with atomic numbers 57 to 71. They are characterized by similar chemical properties and are often found together in nature. Lanthanides have important industrial applications, such as in electronics, magnets, and catalysts.
