Examples are: promethium is used in instruments to measure thickness of coatings, cerium is used in TV screens and fluorescent lamps.
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.
Rare earth metals tend to be soft and goldish in color.
No.
Those metals which are kept deep inside the earth. They are alkaline in nature.
non-metals .... alkali metals....transition metals....alkali earth metals....rare earth metals....other metals....halogens....inert elements
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.
They were rare metals that are found in the earth.
Rare earth metals tend to be soft and goldish in color.
No.
Those metals which are kept deep inside the earth. They are alkaline in nature.
Alkali metals, Alkali Earth metals, Rare Earth metals, Transition metals, Non metals, Halogens, Inert gases
non-metals .... alkali metals....transition metals....alkali earth metals....rare earth metals....other metals....halogens....inert elements
beryllium
16.546 valence electrons are located in all rare earth elements.
Lathanides
The meteor impacts are responsible for the profusion of rare earth metals in the rock of the Northern Quebec.
Some names of rare earth metals are Europium, Terbium, Lutetium, Promethium, Cerium, Scandium, Yttrium, Lanthanum, Praseodymium, Neodymium, Samarium, and Gadolinium.