Multiple Choice
What is the atomic number of nitrogen?
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2. Atoms & Elements
Periodic Table: Element Symbols
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Which of the following elements has an atomic number of 10?
A
Nitrogen (N)
B
Neon (Ne)
C
Sodium (Na)
D
Nickel (Ni)
Verified step by step guidance1
Understand that the atomic number of an element represents the number of protons in the nucleus of an atom of that element.
Recall or look up the atomic numbers of the given elements: Nitrogen (N), Neon (Ne), Sodium (Na), and Nickel (Ni).
Nitrogen (N) has an atomic number of 7, Sodium (Na) has 11, Nickel (Ni) has 28, and Neon (Ne) has 10.
Compare the atomic numbers to identify which element corresponds to the atomic number 10.
Conclude that the element with atomic number 10 is Neon (Ne).
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