'Individual substances' presentation slideshows

What is Chemistry?

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2.1: Classifying Matter

2.1: Classifying Matter. What is a pure substance?. Matter that always has exactly the same composition. Examples: Table Salt and Table Sugar. Substances. Have a fixed, uniform composition Every sample has the same properties Classify substances into two categories:

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Matter

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Reaction of Zinc and Iodine

Reaction of Zinc and Iodine. Zinc and iodine react by a combination reaction with the liberation of a purple cloud of iodine vapor. Purpose. To observe a combination reaction To understand that a combination reaction is a redox reaction. Demonstration.

328 views • 9 slides

Substance -Matter with a composition that is always the same

Matter -Anything that has mass and takes up space -Most matter on Earth is made up of atoms -Two classifications of matter: substances and mixtures. Substance -Matter with a composition that is always the same -Two types of substances: elements and compounds. Compounds

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Mixtures (Solutions)

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Solutions

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