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Which of the following has the electronic configuration 1s2 2s2 2p6 3s2 3p6?
Which of the following has the electronic configuration 1s2 2s2 2p6 3s2 3p6?
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Practice Questions
1 question
Q1
Which of the following has the electronic configuration 1s2 2s2 2p6 3s2 3p6?
Neon
Argon
Krypton
Xenon
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Argon has 18 electrons, and its electronic configuration is 1s2 2s2 2p6 3s2 3p6.
Questions & Step-by-step Solutions
1 item
Q
Q: Which of the following has the electronic configuration 1s2 2s2 2p6 3s2 3p6?
Solution:
Argon has 18 electrons, and its electronic configuration is 1s2 2s2 2p6 3s2 3p6.
Steps: 6
Show Steps
Step 1: Understand that the electronic configuration describes how electrons are arranged in an atom.
Step 2: Break down the given electronic configuration: 1s2 2s2 2p6 3s2 3p6.
Step 3: Count the total number of electrons: 2 (from 1s) + 2 (from 2s) + 6 (from 2p) + 2 (from 3s) + 6 (from 3p) = 18 electrons.
Step 4: Identify the element with 18 electrons. This is done by looking at the periodic table.
Step 5: Find that the element with 18 electrons is Argon (Ar).
Step 6: Conclude that the electronic configuration 1s2 2s2 2p6 3s2 3p6 corresponds to Argon.
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