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Which element has more protons: tin or iodine?
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4. Atoms and Elements
Periodic Table: Element Symbols
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Which element has protons in its nucleus?
A
Selenium (Se)
B
Germanium (Ge)
C
Arsenic (As)
D
Bromine (Br)
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Understand that the number of protons in the nucleus of an atom defines the element's atomic number.
Recall that each element on the periodic table is uniquely identified by its atomic number, which equals the number of protons.
Look up the atomic numbers of the given elements: Selenium (Se), Germanium (Ge), Arsenic (As), and Bromine (Br).
Identify which element has the atomic number 33, meaning it has 33 protons in its nucleus.
Confirm that the element with atomic number 33 is Arsenic (As), making it the correct answer.
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