The elements that appear below the main body of the periodic table. These elements are characterized by the presence of electrons in the f sublevel.

CHEMISTRY

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A	transition metals
B	inner transition metals
C	representative elements
D	noble gases

Explanation:

Detailed explanation-1: -The inner transition metals appear below the main body of the periodic table. In atoms of an inner transition metal, the highest occupied s sublevel and a nearby f sublevel generally contain electrons. The inner transition metals are characterized by f orbitals that contain electrons.

Detailed explanation-2: -The period 6 inner transition metals (lanthanides) are cerium (Ce), praseodymium (Pr), neodymium (Nd), promethium (Pm), samarium (Sm), europium (Eu), gadolinium (Gd), terbium (Tb), dysprosium (Dy), holmium (Ho), erbium (Er), thulium (Tm), ytterbium (Yb), and lutetium (Lu).

Detailed explanation-3: -The main characteristics of inner transition elements are that they are highly reactive, have a high melting point, and a high density. Inner transition elements are also very good conductors of electricity.

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SSC MTS EXAM

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CHEMISTRY