Vocab Quiz 1 - Unit 1 Flashcards
the study of the composition, structure, properties o/ matter/ the process that matters undergoes and the energy changes that accompany these properties
chemistry
any substance that has a definnite composition
chemical
a measure of the amount of matter
mass
anything that has mass and takes up space
matter
smallest unit of an element that maintains the chemical identity of that element
atom
a pure substance that cannot be broken down into simpler stable substances
element
a substance that can be broken down into simple stable substances
compound
depend on the amount of matter that is present
extensive properties
do not depend on the amount of matter present
intensive properties
a characteristic that can be observed or measured without changing the identity of the substance
physical property
a change in a substasnce that doesn’t involve a change in the identity of the substance
physical change
a physical change of a substance from one state to another
change of state
definite volume definite shape
solid
definite volume indefinite shape
liquid
neither definite voume nor definite shape
gas
high temp physical state of matter in which atoms lose most of their electron particles that make up the atoms
plasma
substance’s ability to undergo changes that transform into different substances
chemical property
change in which one or more substances are converted into different substances
chemical change chemical reaction
substances that react in a chemical change
reactants
substances formed by the chemical change
products
a blend of two or more kinds of matter
mixture
an element that is a good electrical conductor of heat
metal
maleability
can be hammered or rolled
ductle
drawn into fine wire
tensile strength
ability to resist breaking`
poor conductor of heat and electricity
nonmetal
an element that has some characterictics of metals and some of non metals
mettaloid
