'Definite ratio' diaporamas de présentation

Matter and Measurements

Matter and Measurements. Matter and Energy - Vocabulary. Chemistry Matter Energy Natural Law-(scientific law) Observation, Hypothesis, Theory, Law. States of Matter. Solids. States of Matter. Solids Liquids. States of Matter. Solids Liquids Gases. States of Matter. Change States

1.17k views • 86 slides

Elements

Elements. Compounds. Mixtures. have a unique set of properties components are elements have only one type of particle are pure substances can be separated into simpler substances by chemical means only combine in a definite ratio to form different compounds are chemically combined

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Substances, Compounds & Mixtures

Substances, Compounds & Mixtures. How everything is put together. Substances. Matter that has the same composition and properties throughout is called a substance . When different elements combine, other substances are formed. Substances. Contains only one particle

413 views • 22 slides

Mixtures

Mixtures. Chapter 3 Elements, Compounds, and mixtures Section 3 Mixtures Introduction to Matter. Properties of Mixtures.

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Section 2, Unit 2

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Elements Compounds and Mixtures

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Topic: Classifying Matter

Topic: Classifying Matter. Indicate whether the following changes are physical or chemical. Burning wood Tearing paper Freezing Water Dissolving NaCl in H 2 O Mixing NaCl and SiO 2. Matter. Substances. Mixtures. Heterogeneous Mixtures. Homogeneous Mixtures. Compounds.

300 views • 17 slides

CHEMICAL BOND

CHEMICAL BOND. Combining Atoms Through Chemical Bonding. Chemical bonding is the joining of atoms to form new substances. An interaction that holds two atoms together is called a chemical bond. When chemical bonds form, electrons are shared, gained, or lost. Forming Ionic Bonds.

374 views • 16 slides

Elements, Compounds, and Chemical Changes

Elements, Compounds, and Chemical Changes. Separation. How can you separate these solutions?? Milk (proteins are suspended in solution) Blood (cells and proteins are suspended in solution) ___________________ Yields two layers (solution on top, suspensions on bottom). Density. Review:

290 views • 14 slides