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Bio-Chemestry

TermDefinition
Energy power derived from the utilization of physical or chemical resources, esp. to provide light and heat or to work machines
Base compound that produces hydroxide ions (OH-) in solution
Formula a mathematical relationship or rule expressed in symbols
pH scale measurment system used to indicate the concentration of hydrogen ions (H+) in solution; ranges from 0 to 14
neutrons carries no charge in an atom
protons carries positive charge in an atom
water a chemical compound consisting of two hydrogen atoms and one oxygen
elements substance consisting entirely of one type of atom
atom basic unit of matter
ions atom that has a positive or negative charge
isotopes atom of an element that has a number of neutrons different from that of other atoms of the same element
ionic bonds bond formed when one or more electrons are transferred from one atom to another
covalent bond bond formed by the sharing of electrons between atoms
hydrogen bonds a weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electronegative atom in the other
molecule smallest unit of most compounds
acids compound that forms hydrogen ions (H+) in solution
matter physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, esp. as distinct from energy
periodic table a chart created to demonstrate the periodic and physical properties of the elements
Determine atomic mass Add the number of protons and the number of neutrons
Type of bonding in water? Covalent, Ionic, Hydrogen bonds
Examples of acids stomach acid, lemon juice, tomato juice, etc.
Examples of bases oven cleaner, bleach, soap
endothermic vs. exothermic reactions Endothermic - absorbs more energy than is released Exothermic - gives off more energy than is absorbed
Created by: stephaniem1999
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