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Examples are: promethium is used in instruments to measure thickness of coatings, cerium is used in TV screens and fluorescent lamps.

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Related Questions

Why were they named rare earth metals?

They were rare metals that are found in the earth.


What does rare earth metals make?

Rare earth metals are widely used for technological advancement in the 21st technology. It commonly used for car batteries, car engine and car frames. Aside from that, rare metals are also present in cellphones and some other gadgets and devices.


3 characteristics for rare earth metals?

Rare earth metals are typically difficult to extract due to their low concentrations in the Earth's crust, they have unique magnetic and luminescent properties that make them ideal for use in technology, and they are essential components in the production of high-tech devices like smartphones, electric car batteries, and wind turbines.


Are The rare earth metals are a category of the alkali metals?

No.


How many valance electrons do rare earth metals have?

16.546 valence electrons are located in all rare earth elements.


What rare earth metals are commonly used in batteries?

Rare earth metals commonly used in batteries include lithium, cobalt, and nickel.


What is rare earth metals?

Those metals which are kept deep inside the earth. They are alkaline in nature.


Where on the periodic table are the rare earth metals located?

The rare earth metals are located in the lanthanide series of the periodic table, which is found at the bottom of the table.


Is coltan part of rare earth metals?

No, coltan is not part of rare earth metals. Coltan is short for columbite-tantalite, which is a metallic ore that contains elements such as niobium and tantalum. Rare earth metals refer to a group of 17 elements on the periodic table.


What are the chemical groups on the periodic table?

Alkali metals, Alkali Earth metals, Rare Earth metals, Transition metals, Non metals, Halogens, Inert gases


What is the first member of the rare earth metals?

beryllium


What are the classes of elements on the periodic table?

non-metals .... alkali metals....transition metals....alkali earth metals....rare earth metals....other metals....halogens....inert elements