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d-Block elements are arranged in ...... ...

d-Block elements are arranged in ...... of periodic table :

A

Six series

B

Four series

C

Three series

D

Two series .

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The correct Answer is:
To solve the question "d-Block elements are arranged in ...... of periodic table: 6 series, 4 series, 3 series or 2 series," we can follow these steps: ### Step-by-Step Solution: 1. **Understanding d-Block Elements**: - d-Block elements are those elements in which the last electron enters the d subshell. These elements are found in groups 3 to 12 of the periodic table. 2. **Identifying the Series**: - The d-block elements are divided into different series based on the principal quantum number (n) of the d subshell. The series are: - 3D series (n=3) - 4D series (n=4) - 5D series (n=5) - 6D series (n=6) 3. **Counting the Series**: - From the above information, we can see that there are a total of 4 series of d-block elements: - 3D - 4D - 5D - 6D 4. **Evaluating the Options**: - The options given are: - 6 series - 4 series - 3 series - 2 series - Since we have established that there are 4 series of d-block elements, the correct answer is "4 series". ### Final Answer: The d-Block elements are arranged in **4 series** of the periodic table. ---
To solve the question "d-Block elements are arranged in ...... of periodic table: 6 series, 4 series, 3 series or 2 series," we can follow these steps: ### Step-by-Step Solution: 1. **Understanding d-Block Elements**: - d-Block elements are those elements in which the last electron enters the d subshell. These elements are found in groups 3 to 12 of the periodic table. 2. **Identifying the Series**: ...
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