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What is a mixture?
Mixtures are physically combined structures that can be seperated into their original components.
How are mixtures classified?
There are two types of mixtures homogeneous and heterogeneous mixtures.
What determines which type of mixture a substance is?
The difference between homogeneous and heterogeneous mixture is the degree at which the materials are mixed together and the uniformity distributed throughout the mixture. There is only one phase of matter observed in a homogeneous mixture. There are always two or more phases in a heterogeneous mixture and you can identify a region with properties that are distinct from those of another region, even if they are the same state of matter.
Give examples of each type of mixture.
Examples of heterogeneous mixtures are cereal in milk, ice in soda, soil, and more. Example of homogeneous mixtures are rain water, sugar water, dishwashing detergent, and more.
How can mixtures be seperated?
Usually it's possible to physically seperate components of a heterogeneous mixture. For example, you can remove ice cubes form soda. Other methods of separation used to seperate a heterogeneous mixture are filtration, evaporation, distillation, chromatography, and many more.

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A heterogeneous mixture is a mixture where the components of the mixture are not uniform or have localized regions with different properties. Different samples of the mixture are not identical to each other. There are always two or more phases in a  heterogeneous mixture and you can identify a region with properties that are distinct from those of another region, even if they are the same state of matter. Examples of heterogeneous examples are cereal in milk, vegetable soup, ice in soda, mixed nuts, soil, and more. Usually it's possible to physically separate components of a heterogeneous mixture. For example, you can remove ice cubes from soda.

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The difference between homogeneous and heterogeneous mixtures is the degree at which the materials are mixed together and the uniformity of their composition. A homogeneous mixture is a mixture where the components that make up the mixture are uniformly distributed throughout the mixture. The composition of the mixture is the same throughout. There is only one phase of matter observed in a homogeneous mixture. Examples of homogeneous mixtures are air, dishwashing detergent, rain water, sugar water, and more. You can't pick out components of a homogeneous mixture or use simple mechanical means to separate them. You can't see individual chemicals or ingredients in this type of mixture.

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An element is a substance that cannot be separated or broken down into simpler substances. An element is made up of only one type of atom. Gold and silver are examples of elements.
A compound can be decomposed into simpler substances by chemical changes. A compound is two or more elements chemically combined. Water and carbon dioxide are examples of compounds.

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Matter can be broken down into two categories: pure substances and mixtures. Mixtures are physically combined structures that can be seperated into their original components. There are two types of mixtures: homogeneous and heterogeneous.

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An atom is the basic unit of a chemical element. An atom consists of a nucleus containing combinations of neutrons and protons and one or more electrons bound to the nucleus by electrical attraction.

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All substances have properties that we use to identify them. There are two basic types of properties that we associate with matter. These properties are called physical properties and chemical properties. Physical properties are properties that do not change the chemical nature of matter. Chemical properties are properties that do change the chemical nature of matter. Examples of physical properties are color, smell, freezing point, boiling point, melting point, attraction or repulsion to magnets, density, and much more. Examples of chemical properties are heat of combustion, reactivity with water, electromotive force, and more. The more properties you can identify for a substance the better you know the nature of that substance.

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Atomic theory is a scientific theory of the nature of matter, which states that matter is composed of discrete units called atoms.

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Comparison Of Intermolecular Forces In Solids, Liquids, And Gases 

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Comparison Of Intermolecular Forces In Solids, Liquids, And Gases 

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In a solid there are strong intermolecular forces holding the atoms together, giving it definite shape and volume. In a liquid these forces are deteriorated enough that it no longer has a definite shape but still has a definite volume. In a gas these forces are weak enough so that the atoms or molecules can move independently.
Particles In A Gas  -
Particles In A Liquid  -
Particles In A Solid -

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Physical Properties - Physical properties of solids include odor, color, volume, density, melting point, boiling point, heat capacity, physical form/shape, hardness, texture, and many more. A solid is the state in which matter maintains a definite shape and volume.
Intermolecular Forces - In a solid particles such as atoms and molecules are packed closely together and are not free to move about within the substance. The molecular motion of the particles in a solid are confined to very small vibrations of the atoms around their fixed positions, therefore solids have a fixed shape that is difficult to change.
Common Examples -
Wood
Sand
Ice
Bricks
Steel
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Physical Properties - Plasma is hot ionized gas consisting of approximately equal numbers of positively charged ions and negatively charged electrons. Plasma is a state of matter that doesn't have a definite shape or volume. Plasma also hax a very low density. Plasma is electrically conductive. Plasma produces electric currents and magnetic fields. Plasma also responds strongly to electromagnetic forces.
Intermolecular Forces -Plasma is a phase of matter that has enough energy for the electrons to be separated from the nucleus. It consists of independently moving electrons and nuclei. Because of this Plasma has interesting properties such as it magnetic shielding.
Common Examples -
Lightning
Stars
Sun
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Physical Properties - Liquid take on the shape of their container. The liquid state of matter is an intermediate phase between solid and gas. A liquid has a definite volume and no definite shape.
Intermolecular Forces - Like the particles in a solid, particles in a liquid are subject to intermolecular action. Although, liquid particles have more space between them, so they are not fixed in position.
Common Examples -
Water (H20)
Blood
Coffee
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Physical Properties - Gases have three characteristic properties; they are easy to compress, they expand to fill their containers, and they occupy far more space than the liquids or solids from which they from. Gases are described through the use of four physical properties; pressure, volume, number of particles, and temperature. Gas particles spread out to fill a container evenly, unlike solids and liquids. Gas is a state of matter that has no fixed shape and no fixed volume. Gases have lower density than other states of matter.
Intermolecular Forces - Two factors determine if a substance is a solid, liquid, or gas. One of these factors is the kinetic energies of the particles (atoms or molecules) that make up the substance. Kinetic energy tends to keep the particles moving apart. The other factor is the attractive intermolecular forces between particles that tend to draw the particles together.  The particles in a gas move quickly and are able to spread apart from one another.
Common Examples -  Helium
Hydrogen
Water Vapor
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