Categorii: Tot - elements - temperature - solubility - compounds

realizată de Reily lim 11 ani în urmă

268

Density

The text discusses the classification and characteristics of substances such as elements, compounds, and mixtures. Elements are organized in the periodic table and can be metals or non-metals.

Density

compound

table salt sugar and chalk

non metal

silicon oxygen nitrogen

elements are classified in the preriodic table

non-metals
metals

element

perodic table
non metal metal

element

are made using a sovent to dissolve a
solute

rates of dissolving

rate of stiring

size of solute particals

solubbilities

temperature

nature of th3e solute

nature of the solvent

which depend on

has different

solutions
suspension
some of which may be classified as

can be differentiated by weather

their properties are similar to or different from those of their components
their proportion of components is fixed or not
they can be seperated by physical or chemical methods

matter

in any fixed propotion
mixtures
not chemically combined