chem physical properties

physical properties

observable traits of a substance

malleable

change shape

pure substance

all particles are identical have some properties

element

1 type of atom

diatomic

2 atoms bonded together

compound

2+ different elements bonded

mixture

not all particles identical has 1+ set of properties

physical change

change to a sample, some properties changed,identity the same

heterogeneous mixtures

seen as 2 diff substances

see 2+ diff substances separate

homogeneous mixtures (solutions)

mixtures that don’t show diff components

seen as 1 substance

matter

anything that has mass/ takes up space

solid(s)

tightly packed compound

liquid (L)

somewhat tightly packed

gas(g)

loosely packed