Question

using the rules for naming molecular compounds described in the introduction, what is the name for the compound no₂?
spell out the full name of the compound.
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part b
using the rules for naming molecular compounds described in the introduction, what is the name for the compound n₂h₄?
spell out the full name of the compound.
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Explanation:

Part A

Step1: Identify the elements

The compound \( \text{NO}_2 \) consists of nitrogen (N) and oxygen (O).

Step2: Use prefixes for molecular compounds

For the first element, if there is 1 atom, we use "mono-" but we usually omit "mono-" for the first element. So nitrogen remains as "nitrogen". For the second element, oxygen, we have 2 atoms, so we use the prefix "di-" and change the ending to "-ide", so it becomes "dioxide".

Step1: Identify the elements

The compound \( \text{N}_2\text{H}_4 \) consists of nitrogen (N) and hydrogen (H).

Step2: Use prefixes for molecular compounds

For nitrogen, we have 2 atoms, so we use the prefix "di-", so it becomes "dinitrogen". For hydrogen, we have 4 atoms, so we use the prefix "tetra-" and change the ending to "-ide", so it becomes "tetrahydride".

Answer:

Nitrogen dioxide

Part B