Alkali metals, Alkaline Earth metals, Transition metals, Basic metals, semi metals or metalloids, Non-metals, Halogens, Noble gases, Lanthanides and Actinides.
Answer:
evaporation
Explanation:
Evaporation occurs when a liquid changes to a gas. During evaporation, molecules gain enough thermal energy to escape from the liquid surface into the air as water vapor.
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Answer:
Density is a measure of how heavy something is compared to its size. If an object is more dense than water it will sink when placed in water, and if it is less dense than water it will float.
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The balanced chemical equation:
C₂H₅OH + 3O₂ → 2CO₂ + 3H₂O
The coefficients are 3,2,3
The answer is D.
Krypton is the only element that begins with the letter K.