Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
24 Cards in this Set
- Front
- Back
|
atom
|
smallest particle of elem.
|
|
|
isotopes
|
same element have same # of p's but differing #'s of neutrons
|
|
|
radioisotopes
|
unstable, release energy as they become stable
|
|
|
ion
|
atom or group of atoms that have lost or gaine e-'s through bonding (ex. Na+ or HCO3-)
|
|
|
ionic (electrovalent) bond
|
formed when e-'s are transferred from one atom to antoher (ex. NaCl)
|
|
|
covalent bond
|
formed when electrons shared by atoms (ex. C6H12O6)
|
|
|
molecule
|
particle formed by bond 2 or more atoms
|
|
|
compound
|
molecule with 2 or more types of atoms
|
|
|
isomers
|
2 or more compounds with same molecular formula but different structural formula (ex. sucrose, maltose, lactose- all C12H22O11)
|
|
|
electrolyte
|
substance that releases ions in water
|
|
|
inorganic substances
|
usu. dissolve in water to form electrolytes
|
|
|
carbohydrates- function
|
provide energy;structural component
|
|
|
carb- elements
|
C. H. O. (H:O ratio same as water)
|
|
|
carb- building block
|
monnosacchardies
|
|
|
carb- forms
|
mon. (glucose, fructose, galactose); di. (sucrose, lactose, maltose); and poly. (starch, glycogen, cellulose)
|
|
|
carb-source
|
fruits, vegetables, meats
|
|
|
lipids- function
|
reserve energy, protection, struct. component
|
|
|
lipids- elements
|
C H O (few O compared to H)
|
|
|
lipids- building blocks
|
fatty acids + glycerol
|
|
|
lipids- forms
|
saturated (single C bonds; usu. animal origin); unsaturated ( 1 double bonds);
Polyunsat. ( many double C bonds; usu. plant origin and liquid at room temp.) |
|
|
lipids- source
|
fats, oils, waxes
|
|
|
protein- function
|
meabolism, primary struct. component, anitbodies, hormones, energy source
|
|
|
protein- elements
|
C H O N
|
|
|
denaturation
|
extreme temp. radiation, pH, or certain chemicals destroy hydrogen bonds; renders protein useless
|
