Multiple Choice
Which of these elements has an electron configuration of [Kr]5s2?
3
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10. Periodic Properties of the Elements
The Electron Configuration
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
In the context of electron configuration, where are the electrons located within an atom?
A
In specific energy levels and orbitals surrounding the nucleus
B
Only in the outermost shell of the atom
C
Inside the nucleus along with protons and neutrons
D
Randomly distributed throughout the entire atom
Verified step by step guidance1
Understand that electrons in an atom are arranged in regions called energy levels or shells, which are quantized distances from the nucleus.
Recognize that within each energy level, electrons occupy specific sublevels or orbitals (such as s, p, d, f), which describe the probability distribution of finding an electron in a particular region around the nucleus.
Recall that electrons are not located inside the nucleus; protons and neutrons reside there, while electrons exist in the space surrounding the nucleus.
Note that electrons are not randomly distributed throughout the atom but are found in these defined energy levels and orbitals according to quantum mechanical principles.
Therefore, the correct conceptual understanding is that electrons are located in specific energy levels and orbitals surrounding the nucleus.
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