Which of the following elements has the electronic configuration [Ne] 3s2 3p1?
Practice Questions
Q1
Which of the following elements has the electronic configuration [Ne] 3s2 3p1?
Aluminum
Silicon
Phosphorus
Magnesium
Questions & Step-by-Step Solutions
Which of the following elements has the electronic configuration [Ne] 3s2 3p1?
Correct Answer: Aluminum
Step 1: Understand that the electronic configuration notation [Ne] means that the element has the same electron configuration as Neon, which has 10 electrons.
Step 2: The notation 3s2 means there are 2 electrons in the 3s subshell.
Step 3: The notation 3p1 means there is 1 electron in the 3p subshell.
Step 4: Add the total number of electrons: Neon has 10 electrons, plus 2 from 3s2, plus 1 from 3p1. This gives a total of 10 + 2 + 1 = 13 electrons.
Step 5: Identify the element with 13 electrons on the periodic table. This element is Aluminum (Al).
