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Which of the following is the correct chemical symbol for iron?
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2. Atoms & Elements
Periodic Table: Element Symbols
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Which of the following is the correct chemical symbol for calcium?
A
Cl
B
Ca
C
Cu
D
C
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Understand that chemical symbols are one- or two-letter abbreviations derived from the element's English or Latin name.
Recall that calcium is an alkaline earth metal with the atomic number 20, and its symbol is derived from its English name.
Recognize that 'Cl' stands for chlorine, 'Cu' stands for copper, and 'C' stands for carbon, none of which represent calcium.
Identify that the correct chemical symbol for calcium is 'Ca', which uses the first letter 'C' and the second letter 'a' from its name.
Therefore, among the options given, 'Ca' is the correct chemical symbol for calcium.
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