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Mixtures Mr. Skirbst Physical Science Topic 11
4 Classes of Matter
1. Mixtures 2. Solutions 3. Elements 4. Compounds
Mixtures A combination of two or more substances mixed together but not chemically combined
Properties of Mixtures Substances keep identity No new substances formed No fixed proportions Can be physically separated
2 Types of Mixtures 1.Heterogeneous - different throughout - least mixed mixture (ex. Tossed salad)
2 Types of Mixtures 2.Homogeneous - same throughout - well-mixed mixture (ex. milk)
Homogeneous Mixtures Colloid - particles are mixed, but not dissolved Solution - particles are dissolved
Solutions Homogeneous mixture formed when one substance dissolves in another
Solutions Solute – substance that IS dissolved Solvent – substance that DOES the dissolving Solubility – substance’s ABILITY to dissolve
Lab Techniques Decanting– separating liquids + solids by pouring off liquid Filtering– separating liquids + solids by passing through a filter (semi-permeable membrane)
Matter and Mixtures. Types of Matter Elements –Simplest of Substances –Made of only one type of atom –118 Known.
Mixtures. A mixture is a combination of two or more substances where there is no chemical combination or reaction.
Example of Physical Change
Pure substance Only one kind of material
Classifying Matter. Classifying a substance by physical properties (state, boiling point, color, density…) is not specific enough –one substance can exist.
Substances, Compounds & Mixtures How everything is put together.
Classifying Matter Science 8 Mrs. Marks.
Chapter 15: Classification of matter
Mr. Chapman Chemistry 30. What is a solution? A solution is a mixture or a combination of two or more things. A solution is also known as a homogeneous.
Mixtures. Matter SubstancesMixtures Elements Compounds Heterogeneous Mixtures Homogeneous Mixtures Mixtures Substances separated by physical methods.
Classification of Matter Section 1.1 Composition of Matter.
What’s the Matter Game Definitions Unit 2: Classification of Matter Physical Science Steinbrink.
Seconds Left: If there only about 100 types of elements in the world, why are there.
Substances, Mixtures, and Solubility Chapter 21. What is a solution? O Substance – matter that has the same fixed composition and properties O Cannot.
Classifying Matter 2.2. Pure Substances A pure substance is matter that always has exactly the same composition. A pure substance is matter that always.
Matter: Anything that has mass and takes up space All matter is made up of tiny particles called atoms Matter is classified as either an element, compound,
Mixtures and Compounds. Composition of Matter One way we classify matter is either pure substances or mixtures. Pure substances are either elements or.
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