Multiple Choice
Which of the following determines the atomic number of an element?
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2. Atoms & Elements
The Atom
Multiple Choice
How many protons are present in a neutral atom of fluorine?
A
9
B
19
C
17
D
7
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Verified step by step guidance1
Recall that the number of protons in a neutral atom is equal to its atomic number.
Identify the element in question, which is fluorine.
Look up the atomic number of fluorine on the periodic table; this number represents the number of protons.
Understand that the atomic number is unique to each element and defines the element's identity.
Conclude that the number of protons in a neutral fluorine atom is equal to its atomic number.
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