chemistry - created from Mind Map

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Types of matter

Atoms

Pure Substance

Elements

Compounds

Mixtures

Define

Democrates

Made up of Subatomic Particle

Smallest identifiable particle of matter that can exist independently

One day we will find basic type particle

Everything is made of Atoms

Different elements

Determines the type of element

3 Types

Protons

Electrons

Neutrons

Characteristics

Fixed or definite composition

2 types

Elements

Compounds

Define

Periodic Table

one type of atom

Can't be split up

Atomic Number- Number of Protons and electrons

Atomic Mass- Number of Protons and neutrons

Same element but differ in number of neutron

Isotopes

2 or more different elements chemically combined.

Only Separated by chemical changes

Contains Ions

Fixed compositions

oxygen + Sodium can create an explosion

2 or more elements not chemically combined

Variable compositions

2 types

Homogenous

Heterogenous

Same throughout: Uniform composition

Different throughout; non uniform composition