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Fundamentals Of Physics
Found in: Page 1246

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Short Answer

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 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 1s22s22p63s23p24s23d104p64d105s1 . 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.

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