Chapter 1 Vocab Flashcards
(32 cards)
Chemistry
The study of the comparison, structure, and properties of matter and the changes it undergoes
Chemical
Any substance that has a definite composition
Atom
The smallest unit of an element that maintains the properties of that element
Change of state
A physical change of a substance from one state to another
Chemical change
A change in which one or more substances are converted into different substances
Chemical property
A substance’s ability to undergo changes that transform t into different substances
Chemical reaction
A change in which one or more substances are converted into different substances
Compound
A substance that is made from the arid of two or more elements that are chemically bonded
Element
A pure substance made of only one kind of atom
Extensive property
Depends on the amount of matter that is present
Gas
A state if matter that has no definite volume nor definite shape
Heterogeneous
Mixture that is not uniform throughout
Homogeneous
Mixture that is uniform in composition
Intensive property
Do not matter on the amount of matter present
Liquid
A state if matter that has a definite volume but an indefinite shape
Mass
A measure of the amount of matter
Matter
Anything that has mass and takes up space
Mixture
A blend of two or more kinds of matter each of which retains its own identity and properties
Physical change
A change in a substance that does not involve a change in the identity of the substance
Physical property
A characteristic that can be observed or measured without changing the identity of the substance
Plasma
A high temperature physical state of matter in which atoms lose their electrons
Product
The substance formed by a chemical change
Pure substance
Has a fixed composition and differs from a mixture because every sample has the same characteristic properties and every sample has the same composition
Reactant
The substance that reacts in a chemical change
