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Which subatomic particle can be used to identify an atom as belonging to a specific element?
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2. Atoms & Elements
The Atom
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How many protons are present in a neutral atom of phosphorus?
A
16
B
31
C
15
D
14
Guida verificata passo dopo passo1
Recall that the number of protons in a neutral atom is equal to the atomic number of the element.
Identify the element in question, which is phosphorus.
Look up the atomic number of phosphorus 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 phosphorus atom is equal to its atomic number.
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