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How many rare earth metals are listed on the table?
There are 6 rare metals they are Helium, Neon, Krypton , Argon, Xenon and radon in the periodic table.
What is radiums group?
I assume you mean "What group does Radium belong to ?" Radium is a man-made, radioactive element which belongs to the 'rare metals' group which is the second column to the left of the periodic table. All rare earth metals contain 2 electrons in it's outer shell and therefore react violently with Oxygen, Sulphur, Selenium and Tellurium. Radium has 88 Protons, 88 Electrons and 138 Neutrons.
What family does cerium belong to?
Cerium is an element that is found in the Earth's crust. Cerium is in the Lanthanide family which is made up of rare earth metals.
What group was samarium found in?
The family that samarium belongs to is known as the Lathanide family. This family consists of 15 metals also known as the rare earth metals.
What is uraninite used for?
Uraninite is the of the primary ore of uranium. Rare earth metals (lanthanides: elements 57-71) are sometimes contained in uraninite.
How many valance electrons do rare earth metals have?
16.546 valence electrons are located in all rare earth elements.
How many valance electrons do earth metals have?
16.546 valence electrons are located in all rare earth elements.
Why were they named rare earth metals?
They were rare metals that are found in the earth.
3 characteristics for rare earth metals?
Rare earth metals tend to be soft and goldish in color.
Are The rare earth metals are a category of the alkali metals?
No.
How many rare earth metals are listed on the table?
There are 6 rare metals they are Helium, Neon, Krypton , Argon, Xenon and radon in the periodic table.
How many electrons are in the outer shell of a rare earth metal?
2
What is rare earth metals?
Those metals which are kept deep inside the earth. They are alkaline in nature.
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
Rare earth series of soft malleable metals?
Lathanides
