Elements, Compounds and Mixtures

Még több ilyen

History of Psychology

Szerző: Yesica Castañeda

Calculus - Taylor and Maclaurin Series

Szerző: Michael Collins

grade 9 science

Szerző: reuben piatigorsky-roth

The Art of Care for Emotional Wounds in Others

Szerző: Medizin Wissen

Elements, Compounds and Mixtures

Compounds

can be differentiated by whether

They can be separated by physical or chemical methods

Their propotionof componets is fixed or not fixed

Their properties are similar to or different from those of their componets

Elements

combine chemically to form compunds

mix with other elements or compounds to form mixture

are classified in the periodic table

what is elements

an elements is a pure substamces that cannot be broken down into any simpler substances by chemical methods.

there are millions of substance in the world. howerver, they are all made from a small number of basic substances. this bacis substances all called element

it an object by joining basic buliwing blocks together. for example, with a set of plastic building blocks. many different modles can be made from a few different blocks

Mixtures

solute

has differnt

rates of dissolving

which can depend on

rate of stirring

size of solute peactices

solubilities

which can depend on

nature of solute

nature of solvent

temperature

solutions

suspensions