chem memory boost Flashcards
bohr magneton value
9.27*10^-24
stochiometric defects are also called
intrinsic or thermodynamic defect
vacancy and interstitial defects shown by
non ionic solids
frenkel defect is also called(large diff in size of ions)
dislocaion defect
does is there any change in net density in frenkel defect
nah
eg for frenkel defect
zns
agcl
agbr
agI
shotkky defect ———–densiyty
decreases
eg for shotkky defect
agbr
nacl
kcl
cscl
how many shotky pairs per cc3 of nacl
10^6 shottky pairs
how many ions in 10^16 shotkky pairs
10^22
how many ions in 1 shottky pair
10^16 ions
egs for impurty defect
nacl srcl2
cdcl2 agcl
a large variety of solid state materials have been prepared by combinations of ———–to stimulate average valence of four four as in ge or si
group 13,and 15
grp ,12, and 16
typical compounds of groups 13-15 are
insb ,aip,gaas
group 12-16 compounds
zns
cds
cdse
hgte