Problem: What is the electron configuration for a tin (Sn- #50) atom?a. [Kr] 5s25p2b. [Kr] 5d105s25p2c. [Kr] 4d105p4d. [Kr] 4d105s25p2e. [Kr] 4d104s24p2

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Identify the position of Sn in the periodic table and use it as a guide to determine the electron configuration of neutral Sn

Before we can do that, we have to first write the electron configuration of a neutral ground state Tin (Sn).

Determine the ground-state electron configuration of Tin (Sn) by locating the position Sn in the periodic table.

Ground-state means that the element is in its lowest energy form (not in excited state). Neutral Sn means it has no charge, meaning no electrons are removed or added in the atom.

You see in the above illustration of the periodic table that Sn is in Period 5, Group 4A, and p-block

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Problem Details

What is the electron configuration for a tin (Sn- #50) atom?

a. [Kr] 5s25p2

b. [Kr] 5d105s25p2

c. [Kr] 4d105p4

d. [Kr] 4d105s25p2

e. [Kr] 4d104s24p2

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