bio quiz
when soes a hysorgen bons happen
betweeb a partial negative and a byerogen arom wirh partial positive
how many natural occuring elemnts?
92
what four elements make up 96% of living orgabisms
carbon, hydrogen, oxygen, nitrogen
all atoms have the same number of _ but numbers of __\\_ can vary
protons, neutrons
what are intramolecular forces?
occuring between atoms within a molecule
what are intermolecular forces?
descrive forces between molecules
what are organic molecules
carbon based
bonds within molecurls are what bonds
covalent
what is electronegativity?
how atornglt they attract electrons
what does the molecular formula show
number of each type of atom in a compound
what does a structural fornula show
the different atoms in a molecule are honded together
which force is weaker inter, intra
inter
what are the teo types of intermolecular forces
hydrogen bonding, hydrophobic interactions
is a h-bond weak or atrong
weak
do non polar molcules form h-bonds
no
what are non-polar molecules called
hydroohobic
what are polar molculers called
hydrophillic
what are h+ ions critical for
cellular tespiration
what are na+ ions critical for
neutal transmission