Which of the following has the electronic configuration [Xe] 4f14 5d10 6s2?

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Question: Which of the following has the electronic configuration [Xe] 4f14 5d10 6s2?

Options:

Correct Answer: Hg

Solution:

Mercury (Hg) has the electronic configuration [Xe] 4f14 5d10 6s2.

Which of the following has the electronic configuration [Xe] 4f14 5d10 6s2?

Which of the following has the electronic configuration [Xe] 4f14 5d10 6s2?

Step 1: Understand that the electronic configuration describes how electrons are arranged in an atom.
Step 2: Recognize that [Xe] represents the electron configuration of Xenon, which is a noble gas.
Step 3: The notation 4f14 means there are 14 electrons in the 4f subshell.
Step 4: The notation 5d10 means there are 10 electrons in the 5d subshell.
Step 5: The notation 6s2 means there are 2 electrons in the 6s subshell.
Step 6: Combine all these parts to understand the full configuration: [Xe] 4f14 5d10 6s2.
Step 7: Look up the periodic table to find which element has this specific configuration.
Step 8: Identify that Mercury (Hg) is the element that matches this electronic configuration.

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