Multiple Choice
Which element has the longest name on the periodic table?
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4. Atoms and Elements
Periodic Table: Element Symbols
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In the periodic table, the symbol corresponds to which element?
A
Cobalt
B
Calcium
C
Chlorine
D
Carbon
Verified step by step guidance1
Understand that the periodic table uses one- or two-letter symbols to represent elements, where the first letter is always capitalized and the second letter, if present, is lowercase.
Look at the given symbol 'Cl' and note that it consists of a capital 'C' followed by a lowercase 'l'.
Recall or refer to the periodic table to identify which element has the symbol 'Cl'.
Recognize that 'Cl' corresponds to Chlorine, which is a halogen element found in group 17 of the periodic table.
Confirm that the other options (Cobalt - Co, Calcium - Ca, Carbon - C) have different symbols, so 'Cl' must be Chlorine.
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