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Nat. Review chpt. 2 Word Scramble

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Question	Answer
Atom	The smallest unit of any thing
An atom is made up of _____	Protons, neutrons, and electrons
Element	Consists of atoms with the same chemical properties
Molecule	Two or more atoms bonded together
Macromolecule	A large molecule
Compound	Another name for a molecule
Ion	Positively or negatively charged atom or molecule
Electrolyte	Releases ions when put into water
Mixture	A combination of two or more substances
Solution	A mixture of solute dissolved into solvent
Solute	Dissolved particles in water
Solvent	Disolving substance eg. water
Suspension	A mixture of two or more substances in liquid that do not dissolve but distribute evenly throughout
Acid	Releases hydrogen ions in a solution
Base	A substance that binds hydrogen ions
pH scale	Used to measuer acidity and basicity
Alkalinity	Basicity
Buffer	A solution that prevents sharp changes in pH
Cation	Postitively charged
Anion	Negatively charged
Biochemistry	The chemistry of life
Matter	Anything that occupies space
Proton is ___ charged	Positively
Neutron is ___ charged	Neutral
Electron is ___ charged	Negatively
What element differentiates organic and inorganic objects?	Carbon