With reference to the Rare Earth Metals consider the following statements These minerals have unique...........

Geography Minerals

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With reference to the Rare Earth Metals, consider the following statements

These minerals have unique magnetic, luminescent, and electrochemical properties.
They are a set of seventeen metallic elements.

Select the correct statement.

1 only

2 only

Both

None

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Explanation:

They are a set of seventeen metallic elements.

These include the fifteen lanthanides on the periodic table in addition to scandium and yttrium that show similar physical and chemical properties to the lanthanides.

These minerals have unique magnetic, luminescent, and electrochemical properties and thus are used in many modern technologies, including consumer electronics, computers and networks, communications, health care, national defense, etc.

They are a set of seventeen metallic elements.

The 17 Rare Earths are cerium (Ce), dysprosium (Dy), erbium (Er), europium (Eu), gadolinium (Gd), holmium (Ho), lanthanum (La), lutetium (Lu), neodymium (Nd), praseodymium (Pr), promethium (Pm), samarium (Sm), scandium (Sc), terbium (Tb), thulium (Tm), ytterbium (Yb), and yttrium (Y).

Hence both statements are correct.