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Expert-verified Found in: Page 1246 ### Fundamentals Of Physics

Book edition 10th Edition
Author(s) David Halliday
Pages 1328 pages
ISBN 9781118230718 # An atom of silver has closed 3d and 4d sub shells. Which sub shell has the greater number of electrons, or do they have the same number?

The sub-shells 3d and 4d have the same number of electrons.

See the step by step solution

## Step 1: The given data

A uranium atom has closed 6p and 7s subshells

## Step 2: Understanding the concept of maximum electrons in a shell

For an electronic configuration, the nucleus of an atom is surrounded by orbital sub-shells that are represented by s, p, d, and f. Again, the maximum electron filling capacity of s, p, d, and f are 2, 6, 10, and 14, respectively.

So, using this concept on a filled sub-shell of an atom of silver, we can get the electrons in each shell.

## Step 3: Calculation of the sub shell with a greater number of electrons

From the concept of maximum electrons filled in each shell, we can get that a subshell has 10 electrons holding capacity.

The electronic configuration of the filled silver atom is $1{s}^{2}2{s}^{2}2{p}^{6}3{s}^{2}3{p}^{2}4{s}^{2}3{d}^{10}4{p}^{6}4{d}^{10}5{s}^{1}$ . Thus, for a completely filled sub-shell of silver, the sub-shell has 10 electrons that that to sub-shell 4d with 10 electrons.

Hence, both the sub-shells have an equal number of electrons. ### Want to see more solutions like these? 