Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
25 Cards in this Set
- Front
- Back
|
the study of the composition, structure, and properties of matter, the processes that matter undergoes, and the energy changes that accompany these processes
|
chemistry
|
|
|
a measure of the amount of matter
|
mass
|
|
|
anything that has mass and takes up space
|
matter
|
|
|
the smallest unit of an element that maintains the chemical identity of that element
|
atom
|
|
|
a pure substance that cannot be broken down into simpler, stalbe substances and is made of one type of atom.
|
element
|
|
|
a substance that can be broken down into simple stable substances. each compound is made from the atoms of two or more elements that are chemically bonded
|
compound
|
|
|
depend on the amount of matter that is present
|
extensive property
|
|
|
do not depend on the amount of matter present
|
intensive property
|
|
|
a characteristic that can be observed or measured without changing the identity of the substance
|
physical property
|
|
|
a change in a substance that does not involve a change in the identity of the substance
|
phsical change
|
|
|
a physical change of a subtance from one state to another
|
change of state
|
|
|
matter that has a definite volume and definite shape
|
solid
|
|
|
matter that has a definite volume but an indefinite shape
|
liquid
|
|
|
matter that has neither definite volume nor definite shape
|
gas
|
|
|
high-temperature physical state of matter in which atoms lose most of their electrons, particles that make up atoms
|
plasma
|
|
|
relates to a substance's ability to undergo changes that transform it into different substances
|
chemical property
|
|
|
a change in which one or more substances are converted into different substances
|
chemical change
chemical reaction |
|
|
the substances that are formed by the chamical change
|
products
|
|
|
the substances that react in a chemical change
|
reactant
|
|
|
the vertical columns of the periodic table
|
group or family
|
|
|
the horizontal rows of elements in the periodic table
|
period
|
|
|
a logical approach to solving problems by observing and collecting data, formulating hypotheses, testing hypotheses and formulating theories that are supported by data
|
scientific method
|
|
|
testable statement
|
hypothesis
|
|
|
in science is more than a physical object; it is often and explantion of how phenomena occur and how data or events are related
|
model
|
|
|
a broad generalization that explains a body of facts or phenomena
|
theory
|
