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1. Filtration is a process in which a filter medium is used to remove the residue from a liquid and gaseous fluid.

2. Gas has a definite shape and volume. Liquid has definite volume but not shape. Solids have a definite shape but not volume.

3. Chemical formulas present the chemical information of molecules and ionic compounds that are represented by: Structural formula, Molecular formula, and Empirical formula

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1. Molecular models are used to visually represent molecules and compounds in a 3D space.
2. Chemical formulas are used to express the composition of molecules and ionic compounds in terms of chemical symbols.
3. Magnetism is a method that uses magnets to remove magnetic solids from non-magnetic components of a mixture.

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•Matter is anything that has mass and occupies space

•Homogeneous Mixture only has 1 phase and uniform composition

Heterogeneous mixture has 2 or more phase and doesn’t have uniform composition

•Our 4th and 5th elements are Plasma and BE Condensates

• We 6 different separation techniques which are Chromatography, Decantation, Distillation, Evaporation, Filtration, and Magnetism

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> Chromatography is a method for separating the components of a mixture by passing them through a media with various speeds of movement.
> Decantation is a method for separating solid and liquid components, as well as for separating two or more liquids.
> Distillation is a method for extracting a pure liquid from a mixture of liquids using the evaporation and condensation processes. It divides a homogeneous mixture into its constituents by using differences in boiling points of substances.

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- Components of a mixture that are not chemically bonded can be separated by physical means using separation techniques like: chromatography, decantation, distillation, evaporation, filtration, and magnetism.
- There are many tools used in studying molecules and compounds such as molecular models and chemical formulas. There are 2 standard molecular models: the ball-and-stick model and the space-filling model.
- Substances can be represented in 3 different formulas namely structural formula, molecular formula, and empirical formula.

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● Matter is anything that occupies space and has mass, and it can be classified in to its physical properties namely solid, liquid, and gas. They differ with the distance of their particles with one another.

● Matter can also be classified in terms of its composition namely pure substance and mixtures. Pure substance can be classified as elements and compounds, while, mixtures can be classified as homogeneous and heterogeneous mixtures.

● Consumer products plays a vital role in our daily lives and bought for private consumption. These products are convenient and can be seen at home, but, we should know when it is safe to use or not by checking its properties.

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- Matter has physical and chemical properties.
- Physical properties do not change its composition.
- Physical properties may be intensive (color, boiling point, etc.) or extensive (oxidation, flammability, etc.)