Multiple Choice
Electronic Structure: Number of Electrons — How many electrons are in a neutral atom of tin (Sn)?
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9. Electrons in Atoms and the Periodic Table
Electronic Structure: Number of Electrons
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Electronic Structure: Number of Electrons — How many electrons does a neutral atom of zinc (Zn) contain?
A
65
B
48
C
29
D
30
Verified step by step guidance1
Recall that a neutral atom has an equal number of protons and electrons.
Identify the atomic number of zinc (Zn) from the periodic table, which represents the number of protons in the nucleus.
Understand that the atomic number of zinc is 30, meaning it has 30 protons.
Since the atom is neutral, the number of electrons must also be 30 to balance the positive charge of the protons.
Therefore, a neutral atom of zinc contains 30 electrons.
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