객관식
How many protons does a neutral carbon atom have?
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4. Atoms and Elements
Subatomic Particles (Simplified)
객관식
How many protons are in a neutral atom of carbon?
A
6
B
12
C
5
D
8
검증된 단계별 안내1
Recall that the number of protons in an atom is defined by its atomic number, which is unique to each element.
Identify the element in question, which is carbon in this problem.
Look up the atomic number of carbon on the periodic table; this number represents the number of protons in a neutral atom of carbon.
Understand that in a neutral atom, the number of protons equals the number of electrons, but this problem only asks for protons.
Conclude that the number of protons in a neutral carbon atom is equal to its atomic number.
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