WGU C165 CORRECT EXAMS SCRIPT QUESTIONS
AND ANSWERS SURE A+
✔✔organic compounds - ✔✔compounds that contain carbon and hydrogen
✔✔pure substance - ✔✔A sample of matter, either a single element or a single
compound, that has definite chemical and physical properties
✔✔Mixture - ✔✔A combination of two or more substances that are not chemically
combined
✔✔heterogeneous mixture - ✔✔A mixture in which different materials can be
distinguished easily
✔✔homogeneous mixture - ✔✔A mixture in which substances are evenly distributed
throughout the mixture
✔✔alloy - ✔✔A mixture of two or more metals
✔✔soild - ✔✔A state of matter that has a definite shape and volume
✔✔liquid - ✔✔A state of matter that has no definite shape but has a definite volume
, ✔✔Gas - ✔✔A state of matter with no definite shape or volume
✔✔physical change - ✔✔A change in a substance that does not involve a change in the
identity of the substance
✔✔chemical change - ✔✔A change in matter that produces one or more new
substances
✔✔chemical reaction - ✔✔the process by which one or more substances change to
produce one or more different substances
✔✔Ion - ✔✔A charged atom
✔✔ionic bonds - ✔✔Formed when one or more electrons are transferred from one atom
to another
✔✔convalent bond - ✔✔A chemical bond formed when when atoms share electrons
✔✔metallic bond - ✔✔a bond formed by the attraction between positively charged metal
ions and the electrons around them
✔✔periodic table - ✔✔A chart of the elements showing the repeating pattern of their
properties
✔✔Metals - ✔✔Elements that are good conductors of electric current and heat.
✔✔Nonmetals - ✔✔Elements that are poor conductors of heat and electric current
✔✔Metalloids - ✔✔Elements that have properties of both metals and nonmetals.
✔✔conductive - ✔✔supportive; encouraging; helping to bring about
✔✔malleable - ✔✔capable of being shaped
✔✔ductile - ✔✔A term used to describe a material that can be pulled out into a long
wire.
✔✔Law of Conservation of Matter - ✔✔Matter is not created nor destroyed in any
chemical or physical change
✔✔chemical equation - ✔✔A representation of a chemical reaction that uses symbols to
show the relationship between the reactants and the products
AND ANSWERS SURE A+
✔✔organic compounds - ✔✔compounds that contain carbon and hydrogen
✔✔pure substance - ✔✔A sample of matter, either a single element or a single
compound, that has definite chemical and physical properties
✔✔Mixture - ✔✔A combination of two or more substances that are not chemically
combined
✔✔heterogeneous mixture - ✔✔A mixture in which different materials can be
distinguished easily
✔✔homogeneous mixture - ✔✔A mixture in which substances are evenly distributed
throughout the mixture
✔✔alloy - ✔✔A mixture of two or more metals
✔✔soild - ✔✔A state of matter that has a definite shape and volume
✔✔liquid - ✔✔A state of matter that has no definite shape but has a definite volume
, ✔✔Gas - ✔✔A state of matter with no definite shape or volume
✔✔physical change - ✔✔A change in a substance that does not involve a change in the
identity of the substance
✔✔chemical change - ✔✔A change in matter that produces one or more new
substances
✔✔chemical reaction - ✔✔the process by which one or more substances change to
produce one or more different substances
✔✔Ion - ✔✔A charged atom
✔✔ionic bonds - ✔✔Formed when one or more electrons are transferred from one atom
to another
✔✔convalent bond - ✔✔A chemical bond formed when when atoms share electrons
✔✔metallic bond - ✔✔a bond formed by the attraction between positively charged metal
ions and the electrons around them
✔✔periodic table - ✔✔A chart of the elements showing the repeating pattern of their
properties
✔✔Metals - ✔✔Elements that are good conductors of electric current and heat.
✔✔Nonmetals - ✔✔Elements that are poor conductors of heat and electric current
✔✔Metalloids - ✔✔Elements that have properties of both metals and nonmetals.
✔✔conductive - ✔✔supportive; encouraging; helping to bring about
✔✔malleable - ✔✔capable of being shaped
✔✔ductile - ✔✔A term used to describe a material that can be pulled out into a long
wire.
✔✔Law of Conservation of Matter - ✔✔Matter is not created nor destroyed in any
chemical or physical change
✔✔chemical equation - ✔✔A representation of a chemical reaction that uses symbols to
show the relationship between the reactants and the products
