Element , Compound and Mixture
Elements
All are listed on the Periodic Table
Do not get simpler with
Physical Changes
Chemical Changes
Categories
Metal
Good Conductors of Electricity , Shiny and Malleable
Metalloids
can be
Non-Metals
that are
Dull , Brittle and Bad Conductors of Electricity
Shiny/Dull , Malleable/Brittle and Conductors of Electricity
And Compound
Can be put together to form Mixture
are Pure Substance
and
Have only one type of particle
Have
Characteristic Properties
Help identify a substance
Do not change
Density
Melting Point
Boiling Point
Compound
Subtopic
Energy is taken in or given out during the formation of a Compound
The different Elements in a Compound are joined together in a fixed proportion by Mass
Properties are different from those of its constituents Elements
Chemical reaction takes place during the formation of Compound
definition
A pure substance consisting of two or more chemically combined Elements
are all molecules
Mixture
properties
Can be seperated by physical methods such as filtration or distillation
No energy is taken out or taken in during the formation of a Mixture
Has the properties of its constituents
Can be seperated into its constituents by physical methods
No chemical reaction takes place during the formation of a Mixture
are
Made up of Pure Substance
examples
Brass
Ink
Fizzy Drinks
Air
defination
Made up of 2 or more Elements and/or Compounds that are not chemically combine
