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In Chemistry / High School | 2014-04-11

Which category contains elements in the solid, liquid, and gas phases?

a. alkali metals
b. alkaline earth metals
c. transition metals
d. halogens
e. noble or inert gases

Asked by Witmer146

Answer (2)

Halogens. Florine and Chlorine are gaseous, Bromine is liquid and Iodine is solid.

Answered by Anonymous | 2024-06-10

The correct answer is d. halogens, as they include elements that exist in solid (iodine), liquid (bromine), and gas (fluorine, chlorine) phases at room temperature. This unique characteristic distinguishes them from the other groups listed. Alkali metals, alkaline earth metals, transition metals, and noble gases do not exhibit such variation in phases.
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Answered by Anonymous | 2024-09-27

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