Vocab Flashcards
Matter
Anything that has mass or takes up volume
Chemistry
The study of matter and how matter changes
Substance
A single kind of matter that is pure, made of the same thing.
Physical properties
A characteristic of a substance that can be observed without changing it into another substance.
Chemical properties
A characteristic of a substance that describes its ability to change into a different substance.
Element
A substance that cannot be broken down into any other substance by chemical or physical means.
Mass
The amount of matter in an object.
Atom
The basic particle from which all owners are named.
Chemical Bnd
a force of attraction beetween 2 atoms
molecule
a group of 2 or more atoms held together by chemical bonds
compound
a substance made of 2 or more elements that are chemicly combined in a set ratio
mixture
a substance made by mixing other substances together.
weight
the measure of pressure gravity has
volume
amount of space matter takes up
physical change
alters the form or appearance of matter but chemicly stays the same
tempeture
how hot or cold something is
endothermic
(of a reaction or process) accompanied by or requiring the absorption of heat.
exothermic
(of a reaction or process) accompanied by the release of heat.
