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31 Cards in this Set
- Front
- Back
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acid
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donates hydrogen ions
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alkali
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"base" can accept hydrogen ions
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atom
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"subunit of elements"
the smallest complete unit of matter |
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base
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accepts hydrogen ions
"alkali" |
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buffer
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prevents sharp changes in hydrogen ion concentration
(maintains pH) |
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carbohydrate
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simple sugars
ex: monosaccharides |
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catalyst
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science that deals with "matter"; ie. anything that takes up space
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colloid
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particles remain "suspended"
(do not dissolve) |
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compound
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substance w/2 or more elements
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denaturation
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alteration that causes protein not to function
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disease
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anything that upsets normal body function
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cell
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basic unit of life
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dissect
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cut apart
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electrolyte
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ionically bonded substance
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electron
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negatively charged particles
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elements
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substance from which all matter is made
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enzyme
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organic catalyst
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fat
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main form in which energy is stored
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ion
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charged particles
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isotope
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forms of an element that differ in atomic weights
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lipid
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glycerol & fatty acids
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molecule
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2 or more united atoms
(smallest subunit of a compound) |
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neutron
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NON charged particles
(neutral) |
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pH
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measure of acidity or alkalinity
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protein
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bodys structural materials
(made of amino acids) |
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proton
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positively charged particles
(inner nucleas) |
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radioactive
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gives off rays of atomic particles
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salt
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sodium chloride
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solution
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evenly distributed in solvent
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suspension
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material settles upon standing
(doesn't dissolve) |
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valence
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# of electrons lost or gained in chemical reactions
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