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In the periodic table, lead belongs to w...

In the periodic table, lead belongs to which group

A

Group-14

B

Group-15

C

Group-6

D

Group-9

Text Solution

AI Generated Solution

The correct Answer is:
To determine the group to which lead (Pb) belongs in the periodic table, we can follow these steps: ### Step 1: Identify the Atomic Number and Symbol Lead has the symbol Pb and an atomic number of 82. ### Step 2: Write the Electronic Configuration The electronic configuration of lead can be determined as follows: - The configuration is: \( [Xe] 4f^{14} 5d^{10} 6s^{2} 6p^{2} \) ### Step 3: Identify the Valence Electrons Valence electrons are those in the outermost shell. For lead: - The outermost shell is the 6th shell, which has: - 2 electrons in the 6s subshell - 2 electrons in the 6p subshell - Therefore, lead has a total of \( 2 + 2 = 4 \) valence electrons. ### Step 4: Determine the Group Number for p-block Elements For p-block elements, the group number can be calculated using the formula: - Group number = Number of valence electrons + 10 - Here, we have \( 4 + 10 = 14 \). ### Step 5: Conclusion Thus, lead belongs to Group 14 of the periodic table. ### Final Answer Lead (Pb) belongs to Group 14 of the periodic table. ---
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