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Science in the Beginning Lessons 20-26

Across
The smallest chemical unit of matter.
A mixture of at least one solute in a solvent.
The substance a solute is being dissolved into.
A gas that people and animals breathe out; plants use it in photosynthesis.
A gas that people and animals breathe in; plants produce it through photosynthesis.
Two or more atoms linked together to make a substance with unique properties.
The tendency of the molecules or atoms of different substances to be attracted to each other.
Down
A substance being dissolved in a solvent.
A quickly rotation column of air that can do significant amount of damage.
What holds atoms together in a molecule.
The tendency of the molecules or atoms of a substance to be attracted to each other.
An atom that has electrical charge due to the gain or loss of an electron.
To mix a solute with a solvent so that it seems that the solute disappears.