Multiple Choice
On the periodic table, the symbol refers to which element?
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4. Atoms and Elements
Periodic Table: Element Symbols
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Which element in Period 2 of the periodic table has the greatest atomic mass?
A
Boron (B)
B
Nitrogen (N)
C
Neon (Ne)
D
Lithium (Li)
Verified step by step guidance1
Identify the elements listed in the problem: Boron (B), Nitrogen (N), Neon (Ne), and Lithium (Li).
Recall that Period 2 of the periodic table includes the elements with atomic numbers from 3 (Lithium) to 10 (Neon).
Understand that atomic mass generally increases as you move from left to right across a period because the number of protons and neutrons in the nucleus increases.
Compare the atomic masses of the given elements by their position in Period 2: Lithium (Li) is near the start, Boron (B) and Nitrogen (N) are in the middle, and Neon (Ne) is at the end of the period.
Conclude that Neon (Ne), being the last element in Period 2, has the greatest atomic mass among the options provided.
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