Multiple Choice
Theoretically, how many total electrons can be found in the 6th shell of an atom?
2
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9. Electrons in Atoms and the Periodic Table
Electronic Structure: Number of Electrons
Multiple Choice
Which neutral element has 8 electrons?
A
Oxygen (O)
B
Neon (Ne)
C
Fluorine (F)
D
Nitrogen (N)
Verified step by step guidance1
Recall that the number of electrons in a neutral atom is equal to its atomic number, which is the number of protons in the nucleus.
Identify the atomic numbers of the given elements: Oxygen (O), Neon (Ne), Fluorine (F), and Nitrogen (N).
Oxygen has an atomic number of 8, meaning it has 8 protons and, since it is neutral, 8 electrons.
Neon has an atomic number of 10, Fluorine has 9, and Nitrogen has 7, so none of these have exactly 8 electrons.
Therefore, the neutral element with 8 electrons is the one with atomic number 8, which is Oxygen (O).
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