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29 Cards in this Set
- Front
- Back
atom
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smallest thing that makes up matter
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Element
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substance made up of only one atom
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molecule
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2 or more atoms are bonded together
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chemical reaction
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chemical change
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mixture
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a substance composed of 2 or more elements or compounds that are mixed together, but not chemically combined
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solvent
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substance that dissolves something else: ex. water
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solute
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anything that is being dissolved
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acid
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compound that releases hydrogen ions
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base
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compound that realeases hyroxide ions
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inorganic compound
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compound that contains no carbon
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monomer
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are small compounds
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polymer
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larger compounds
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macromolecules
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big polymer
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monosaccharide
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is a simple sugar
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polysaccharides
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large sugar
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how to find the atomic number
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# of protons
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Parts of an atom & charges-
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nucleolus; middle, protons, electrons, neutrons
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Ion-
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charged particle-> has more/less electrons
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Isotope
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is a more/less neutrons
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Enzymes-
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biological catalyst
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pH scale
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pure water=7; strong acids= 1-3; base= >7;strong bases= 11-14
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organic compounds
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contain carbon
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kinds of organic compounds
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o Carbohydrates
o Proteins o Lipids o Nucleic acids o Enzymes |
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Why is water a good solvent?
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water has charges on the ends.
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What is the difference between dehydration synthesis and hydrolysis?
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dehydr-creates molecules by taking out water; hydro- adding water to break molecules apart.
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What are the 5 kind of organic compounds?
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Carbohydrates
Proteins Lipids Nucleic acids Enzymes |
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What is an enzyme?
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biological catalyst
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What are the 3 states of matter and give an example of each?
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solid- apple liquid-water gas-hydrogen
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What is the difference between isotope and ion?
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Isotope-is a more/less neutrons
ion-charged particle-> has more/less electrons |