ES chapter 4 Chemistry with pictures

ES chapter 4 Chemistry with pictures - Chapter 4: From...

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Chapter 4: From Chemistry to Energy to Life www.aw-bc.com/Withgott
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Chemistry and the Environment conservation of matter atoms protons (+) neutrons electrons (-) Isotopes have a different number of neutrons in the atom some are radioactive half-life of minutes to millions of years Ion is an atom that gains an electron (-) or loses one (+) Ca +2 calcium which has lost 2 electrons
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Compounds Organic have carbon (C), oxygen (O), hydrogen (H) and nitrogen (N) in them as the core example: CO 2 carbon dioxide Inorganic any other compound example: NaCl table salt
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Solutions mixture of substances air is a solution of gases tap water is a solution of liquids human blood
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pH 0 - 14 0-7 acid 7 is neutral 7-14 base www.aw-bc.com/Withgottt
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Macromolecules building blocks of life large in size compared to other simple molecules like water and sugar proteins, carbohydrates, lipids, nucleic acids
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ES chapter 4 Chemistry with pictures - Chapter 4: From...

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