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Which of the following elements has the highest energy level in its electronic c
Which of the following elements has the highest energy level in its electronic configuration?
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Practice Questions
1 question
Q1
Which of the following elements has the highest energy level in its electronic configuration?
Na
K
Ca
Mg
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Potassium (K) has the highest energy level with the configuration [Ar] 4s1.
Questions & Step-by-step Solutions
1 item
Q
Q: Which of the following elements has the highest energy level in its electronic configuration?
Solution:
Potassium (K) has the highest energy level with the configuration [Ar] 4s1.
Steps: 6
Show Steps
Step 1: Understand that the energy level of an element is determined by its electron configuration.
Step 2: Identify the electron configuration of each element given in the question.
Step 3: Look for the highest principal quantum number (n) in the electron configurations. This number indicates the energy level.
Step 4: Compare the principal quantum numbers of the elements. The element with the highest n value has the highest energy level.
Step 5: For Potassium (K), the electron configuration is [Ar] 4s1, where '4' is the highest principal quantum number.
Step 6: Conclude that Potassium (K) has the highest energy level among the options provided.
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