Free and open educational resources for Afghanistan

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How to Calculate the Molar Masses of Chemical Compounds

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Chemical Formula Writing Worksheet

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Compound Names and Formulas

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Naming Ionic Compounds

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Salinity

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Marie Curie

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Balancing Chemical Equations Worksheet

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Acid Rain

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Acids and Bases

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Directions for Using the Compound Microscope

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Calculating Half-Life Problems

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How Do Bees Make Honey?

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Science Safety Rules

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An Introduction to Fuels and Burning

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Fuels

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Introduction to Basic Chemistry

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Acids, Alkalis and pH

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Reactivity of Metals

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Solar Distillar

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Invisible Ink

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Matter: All That Stuff - Elements, Atoms, Compounds

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Chemistry - Teacher Background

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Exploring the Concept of Density

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Physical vs. Chemical Changes in Matter

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Review of Basic Chemistry

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Chemical Bonds

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Properties of Water

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Introduction to Chemistry Worksheets

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Bread Chemistry

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An Introduction to Air and Water