SCIENCE
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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transition metals
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inner transition metals
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representative elements
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noble gases
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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 two rows beneath the main body of the periodic table contain the inner transition metals. The elements in these two rows are also referred to as, respectively, the lanthanide metals and the actinide metals.
Detailed explanation-3: -Inner Transition Metals: Outermost s sublevel and nearby f sublevel contain electrons.
Detailed explanation-4: -Main Characteristics of Inner Transition Elements The inner transition elements form coloured ions. The inner transition elements show variable valencies. Actinides are radioactive by nature. The inner transition elements beyond atomic number 92 up to 103 are synthetic as well as radioactive.
Detailed explanation-5: -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).