Multiple Choice
Which of the following element symbols corresponds to the element with atomic number 12?
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2. Atoms & Elements
Periodic Table: Element Symbols
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Which of the following elements has a two-letter symbol on the periodic table?
A
Sodium
B
Oxygen
C
Gold
D
Carbon
Verified step by step guidance1
Understand that chemical elements on the periodic table are represented by one- or two-letter symbols, where the first letter is always capitalized and the second letter, if present, is lowercase.
Recall or look up the symbols for each element given in the options: Oxygen, Gold, Carbon, and Sodium.
Identify the symbol for Oxygen, which is a single letter: \(\mathrm{O}\).
Identify the symbol for Gold, which is a two-letter symbol: \(\mathrm{Au}\), but note that the question asks specifically for the element Sodium.
Identify the symbol for Sodium, which is a two-letter symbol: \(\mathrm{Na}\), confirming that Sodium has a two-letter symbol on the periodic table.
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