'Pure substances' diaporamas de présentation

Chapter 4

Chapter 4. Matter and Energy Vanessa N. Prasad- Permaul CHM 1025 Valencia Community College. Matter. Matter is any substance that has mass and occupies volume. Matter exists in one of three physical states: Solid Liquid Gas. Gaseous State.

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Mixtures, elements, compounds

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Chapter 5

Chapter 5. Principles of Chemical Reactivity. Basic Principles. Thermodynamics: The science of heat and work Energy: the capacity to do work -chemical, mechanical, thermal, electrical, radiant, sound, nuclear -affects matter by raising its temperature, eventually causing a state change

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Chapter 5

Chapter 5. Principles of Chemical Reactivity. Basic Principles. Thermodynamics: The science of heat and work Energy: the capacity to do work -chemical, mechanical, thermal, electrical, radiant, sound, nuclear -affects matter by raising its temperature, eventually causing a state change

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Classification of Matter

Classification of Matter. Four classes of matter. The four classes of matter are elements, compounds, mixtures, and solutions. Homogeneous matter. Appears to look similar throughout Ex: salt, sugar, whipped cream all parts are alike (appearance). Question.

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Grade 7 Science

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Elements, Compounds, and Mixtures Notes

Elements, Compounds, and Mixtures Notes. Pure Substances. A sample of matter that has definite chemical and physical properties. Atoms. Elements. Compounds. Molecules. Elements. pure substance that cannot be separated into simpler substances by physical or chemical means. Compounds.

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Chapter 2 Atoms and Elements

Chapter 2 Atoms and Elements. Elements and Symbols Periodic Table. Elements. Pure substances that cannot be separated into different substances by ordinary processes Are the building blocks of matter 112 elements known today Examples: carbon gold calcium.

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Subject knowledge Matter - download 3

Subject knowledge Matter - download 3. This document can be freely copied and amended if used for educational purposes. It must not be used for commercial gain. The author(s) and web source must be acknowledged whether used as it stands or whether adapted in any way.

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The Atoms Family was created by Kathleen Crawford, 1994 Presentation developed by Tracy Trimpe, 2006, http://sciencespot

The Atoms Family. The Atoms Family was created by Kathleen Crawford, 1994 Presentation developed by Tracy Trimpe, 2006, http://sciencespot.net/. How big is an Atom?. The average size atom (Al) is about 0.00000003 cm.

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Properties of Matter

Chemistry. Properties of Matter. What is Matter?. Matter is anything that has mass and takes up space. All matter is made of particles. The type and arrangement of the particles determines the properties of the matter. Most matter exists as solids, liquids, or gases. Measuring Matter.

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Pure and Mixed Substances

Pure and Mixed Substances. A pure substance contains only one substance and is either an element or a compound. They cannot be broken down any further. They have the same composition and the same properties. A Mixture has several different substances mixed together.

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Properties of Matter

Properties of Matter. Chapter 2. ELEMENTS Cannot be broken down into simpler substances. Can be found as solids, liquids, or gases Represented by symbols. COMPOUNDS 2 more elements chemically joined together Can be broken down through chemical means Represented by a formula.

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Ionic Compounds and Solutions

Ionic Compounds and Solutions. SNC2D. Electrostatic attraction. Electrostatic attraction. When a metal gives up one or more electrons to a non-metal, the resulting oppositely-charged ions will experience an electrostatic attraction:. Ionic bonds and compounds.

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Composition of Matter

Composition of Matter. Ch. 15, sec. 1. Pure Substances. A pure substance is a type of matter with a fixed composition. A substance can be either an element or a compound .

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Lesson 11: Pure Substance or Mixture

Lesson 11: Pure Substance or Mixture. Characteristic Properties. An attribute that can be used to help identify a substance. A characteristic property is not affected by the amount of a substance. Pure Substances. A substance that is either an element or a compound. Element.

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1. Plastic, wood, and iron are all made up of

1. Plastic, wood, and iron are all made up of. Cells Atoms Carbon plants. 2. All of the substances on the periodic table are classified as elements because they. Are pure substances. Are composed of 2 or more different types of atoms. Cannot be broken down into other substances.

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Elements, Compounds, Mixtures, and Solutions

Elements, Compounds, Mixtures, and Solutions. Mr. Eby. Elements. A pure substance made up of one type of atom. Cannot be broken down any further by physical or chemical means More than 110 elements on the Periodic Table of Elements. Compounds.

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