Scelta multipla
Which of the following is the correct chemical formula for carbon tetrahydride?
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3. Chemical Reactions
Naming Molecular Compounds
Scelta multipla
What is the correct chemical formula for dinitrogen pentoxide?
A
N2O5
B
NO2
C
N2O3
D
NO5
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Understand the naming convention for molecular compounds, where prefixes indicate the number of atoms of each element present in the compound.
Identify the prefix 'di-' which means 2, and 'pent-' which means 5, referring to the number of atoms of nitrogen and oxygen respectively.
Write the chemical symbols for nitrogen (N) and oxygen (O).
Combine the symbols with the appropriate subscripts based on the prefixes: 2 nitrogen atoms and 5 oxygen atoms, resulting in the formula \(N_2O_5\).
Verify that the formula matches the name dinitrogen pentoxide, confirming that \(N_2O_5\) is the correct chemical formula.
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