Question: Which element has the electronic configuration 1s2 2s2 2p6 3s2 3p1?
Options:
Al
Si
P
Cl
Correct Answer: Al
Solution:
The element with the configuration 1s2 2s2 2p6 3s2 3p1 is Aluminum (Al).
Which element has the electronic configuration 1s2 2s2 2p6 3s2 3p1?
Practice Questions
Q1
Which element has the electronic configuration 1s2 2s2 2p6 3s2 3p1?
Al
Si
P
Cl
Questions & Step-by-Step Solutions
Which element has the electronic configuration 1s2 2s2 2p6 3s2 3p1?
Step 1: Understand that the electronic configuration describes how electrons are arranged in an atom.
Step 2: Break down the electronic configuration: 1s2 means there are 2 electrons in the 1s orbital, 2s2 means 2 electrons in the 2s orbital, 2p6 means 6 electrons in the 2p orbital, 3s2 means 2 electrons in the 3s orbital, and 3p1 means 1 electron in the 3p orbital.
Step 3: Count the total number of electrons: 2 (1s) + 2 (2s) + 6 (2p) + 2 (3s) + 1 (3p) = 13 electrons.
Step 4: Identify the element with 13 electrons on the periodic table. This element is Aluminum (Al).
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