Pure substances and mixtures

What is homogeneous mixture

A composition that is uniform

What is chemistry

It is the study of matter and changes in matter

What is heterogeneous mixture

A mixture where the composition is not uniform

What is pure substance

It is any solid liquid or gas that only has one type of particle throughout

what is a mixture

It is a type of substance that has more then one kind of particle

What is a element?

A type of element that is a single kind of atom

What is an solution

It is a uniform mixture of two or more pure substances

what is an solute

It is the substance that is dissolved in the solution

What is a Solvent

It is the substance that is doing the dissolving

What is compound

Something that is made up of two or more elements

describe how substances and mixtures can harm the environment

substances can harm the environment by polluting the air, water and soil

List two ways to reduce environmental impact

Turning off the light, when not in use, put stuff in the right bin

List and describe the three states of matter

Gas, liquid, solid

Describe the particle diagram for liquid

Packed together, but more loosely

Describe the particle diagram for gases

More spread apart than liquid or solid

Describe the particle diagram for solid

Has particles that are packed together very tightly

Write the five major points of the particle theory of matter

all matter is made up of tiny particles,

the particles are always moving,

there is space between the particles,

adding heat makes particles move faster,

all particles in a pure substance are the same different substances are made up of different particles