객관식
What is the correct name for the molecular compound with the formula S_2F_{10}?
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Naming Molecular Compounds
객관식
Which of the following is the correct chemical formula for bromine pentachloride?
A
BrCl5
B
Br2Cl5
C
BrCl3
D
Br5Cl
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검증된 단계별 안내1
Understand the naming convention for binary molecular compounds: the prefix 'penta-' means five, so 'pentachloride' indicates five chlorine atoms bonded to another element.
Identify the central atom: in bromine pentachloride, bromine (Br) is the central atom bonded to chlorine (Cl) atoms.
Combine the symbols with the correct number of atoms: bromine (Br) with one atom, and chlorine (Cl) with five atoms, based on the 'pentachloride' prefix.
Write the chemical formula by placing the symbol for bromine first, followed by chlorine with the subscript 5 to indicate five chlorine atoms: \(BrCl_5\).
Verify that the formula matches the name: bromine pentachloride corresponds to \(BrCl_5\), not any other combination like \(Br_2Cl_5\), \(BrCl_3\), or \(Br_5Cl\).
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