Multiple Choice
Which of the following is the chemical symbol for sulfur?
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2. Atoms & Elements
Periodic Table: Element Symbols
Multiple Choice
Which element on the periodic table has 17 protons?
A
Sulfur (S)
B
Sodium (Na)
C
Potassium (K)
D
Chlorine (Cl)
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Verified step by step guidance1
Recall that the number of protons in an atom is equal to its atomic number, which uniquely identifies each element on the periodic table.
Look up the atomic numbers of the given elements: Sulfur (S), Sodium (Na), Potassium (K), and Chlorine (Cl).
Sulfur has an atomic number of 16, Sodium has 11, Potassium has 19, and Chlorine has 17.
Since the element with 17 protons must have an atomic number of 17, identify Chlorine (Cl) as the element with 17 protons.
Therefore, the element on the periodic table with 17 protons is Chlorine (Cl).
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