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Published byGillian Henry Modified over 8 years ago
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Atoms Elements Molecules Compounds Ions Organic vs. Inorganic
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Smallest: Atom Basic building block of all matter Made of protons +, electrons -, and neutrons 0. Element Substance that consists of only one type of atom
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A bit larger now: Molecule Made of more than one atom. Ex) O 2 Ex) CO 2 Ex) H 2 O Ex) C 6 H 12 O 6
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Can be the same size as molecules: Compound Made of more than one type of atom. Ex) O 2 Ex) CO 2 Ex) H 2 O Ex) C 6 H 12 O 6
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An atom or group of atoms with a positive or negative charge. Ex) Hydrogen ion When a hydrogen loses an electron, there is only 1 proton left H + Ex) Lithium ion If lithium loses one electron, then there will be 3 protons (+) and 2 electrons (-) Li +
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Inorganic carbon compounds from minerals in the Earth Usually the carbon comes along with a non- metallic element *(usually not combined with hydrogen) Ex) CO 2 and CO Organic carbon compounds derived from plants or animals. Usually contain both carbon and hydrogen Ex) carbohydrates (glucose: C 6 H 12 O 6 ), protein, fats, nucleic acids.
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Plants convert inorganic carbon into organic carbon. Energy 6CO 2 + 6H 2 O C 6 H 12 O 6 + 6O 2 This is a chemical reaction: The process of changing substances by breaking chemical bonds.
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