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Chapter 4: Problem 22

5f series elements are known as (a) lanthanides (b) representative elements (c) transition elements (d) actinides

Short Answer

Expert verified
Answer: (d) Actinides

Step by step solution

01

Consider the options

The 5f series elements can belong to one of the following groups: (a) Lanthanides (b) Representative elements (c) Transition elements (d) Actinides
02

Recall the location of each group in the periodic table

Before we can identify which option is correct, it is helpful to review where each group of elements is located within the periodic table: (a) Lanthanides: 4f series elements in Period 6 (b) Representative elements: elements in Groups 1, 2, and 13-18 (c) Transition elements: elements in Groups 3-12 in the d-block (d) Actinides: 5f series elements in Period 7
03

Identify the correct group

Based on the location of each group of elements in the periodic table, we can see that the 5f series elements are part of the actinides group. Therefore, the correct answer is: (d) Actinides

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Most popular questions from this chapter

The total number of elements present in the 6 th period is (a) 18 (b) 31 (c) 32 (d) 17

Transition metals can exhibit variable valency. It is because of (a) the smaller atomic radius (b) the high screening effect (c) the very less energy difference between \((\mathrm{n}-1)\) d-subshell and ns-subshell (d) the high nuclear charge

The number of valence electrons that can be present in the second element of any period is (a) 1 (b) 2 (c) 5 (d) 7

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