QUESTIONS AND ANSWERS
Physical Property - CORRECT ANSWER-Description of shape,
mass, and volume
Chemical Property - CORRECT ANSWER-A property used to
characterize materials in reactions that change their identity
Element - CORRECT ANSWER-Any of over 100 substances
that can not be separated to become simpler, and singly or in
combination make up all matter.
Atom - CORRECT ANSWER-Smallest particle of an element
that has the characteristics of that element.
Nucleus - CORRECT ANSWER-The microscopic, positively
charged central part of an atom made up of protons and
neutrons, also orbited by electrons.
Mixture - CORRECT ANSWER-Combination of substances
which individuals retain individual property.
Solution - CORRECT ANSWER-Mixture of one or more solutes
evenly distributed in a solvent.
Solute - CORRECT ANSWER-The substance evenly
distributed in the solvent to form a mixture.
Solvent - CORRECT ANSWER-Holds dissolved substance in a
mixture; most of the time, it is water.
, pH - CORRECT ANSWER-Measure of how acidic or basic a
solution is.
Acid - CORRECT ANSWER-Describes a substance with a pH
below 7.
Base - CORRECT ANSWER-Describes a substance with pH
above 7.
Polar Molecule - CORRECT ANSWER-A molecule with a pair
of equal and opposite charges.
Hydrogen Bond - CORRECT ANSWER-Chemical bonding in
which two molecules link together by one or more hydrogen
atoms.
Cohesion - CORRECT ANSWER-The attraction of similar
molecules.
Adhesion - CORRECT ANSWER-The attraction of dissimilar
molecules.
Isomer - CORRECT ANSWER-A compound with the same
molecular formula but different structural formulas.
Monomer - CORRECT ANSWER-a simple compound whose
molecules can join together to form polymers
Polymer - CORRECT ANSWER-A molecule composed of
repeating structural units.
Carbohydrates - CORRECT ANSWER-An organic compound
consisting only of carbon, hydrogen, and oxygen; the food
group consisting of sugars and starches.
Monosaccharides - CORRECT ANSWER-The simplest group
of carbohydrates.