Multiple Choice
What is the correct name for the molecular compound with the formula SO?
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3. Chemical Reactions
Naming Molecular Compounds
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Which of the following is the correct chemical formula for nitrogen trihydride?
A
N2H3
B
NH2
C
NH3
D
N3H
Verified step by step guidance1
Understand the name 'nitrogen trihydride': 'Nitrogen' refers to the element nitrogen (N), and 'trihydride' means there are three hydrogen (H) atoms bonded to it.
Recall the prefixes used in chemical nomenclature: 'tri-' means three, so 'trihydride' indicates three hydrogen atoms.
Combine the element symbols with the correct number of atoms: one nitrogen atom (N) and three hydrogen atoms (H) gives the formula \(NH_3\).
Check the options given: \(N_2H_3\) has two nitrogen atoms, \(NH_2\) has only two hydrogens, and \(N_3H\) has three nitrogens and one hydrogen, so these do not match the name.
Conclude that the correct chemical formula for nitrogen trihydride is \(NH_3\).
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