객관식
How many protons are present in a nitrogen atom with a 3- charge?
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2. Atoms & Elements
The Atom
객관식
How many protons are present in a neutral atom of carbon?
A
14
B
8
C
12
D
6
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검증된 단계별 안내1
Recall that the number of protons in a neutral atom is equal to its atomic number.
Identify the element in question, which is carbon.
Look up the atomic number of carbon on the periodic table; this number represents the number of protons.
Understand that the atomic number of carbon is 6, meaning it has 6 protons.
Confirm that since the atom is neutral, the number of protons equals the number of electrons, but the question only asks for protons.
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