Multiple Choice
Which of the following is the correct name for N_2O_5?
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3. Chemical Reactions
Naming Molecular Compounds
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Which of the following is the correct chemical formula for carbon tetraiodide?
A
C4I
B
CI2
C
C2I4
D
CI4
Verified step by step guidance1
Understand the naming convention for molecular compounds: 'carbon tetraiodide' indicates one carbon atom bonded to four iodine atoms.
Recall that the prefix 'tetra-' means four, so the formula must contain four iodine (I) atoms.
Since there is only one carbon (C) atom, the chemical formula should have one C and four I atoms.
Write the formula by placing the element symbols with their respective counts: C for carbon and I4 for four iodine atoms, resulting in \(C I_4\).
Verify that the formula matches the name: one carbon atom and four iodine atoms correspond to carbon tetraiodide, confirming \(C I_4\) is correct.
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