Question
If a compound undergoes a reaction and maintains its molecular structure (and thus its identity), the reaction is called a ____ reaction.
Answer
If a compound undergoes a reaction and maintains its molecular structure (and thus its identity), the reaction is called a physical reaction.
Note: Melting, evaporation, dissolution, and rotation of polarized light are some examples of physical reactions.
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Group 17: ____ are diatomic gases at room temperature.
Group 17: ____ is a diatomic liquid at room temperature.
Group 17: Bromine is a diatomic ____ at room temperature.
Group 17: ____ is a diatomic solid at room temperature.
Group 17: Iodine is a diatomic ____ at room temperature.
When in compounds, flourine always has an oxidation state of ____.