Group 2A Flashcards
organometallic comp kurabilen
be
mg
electrolysis yapabilen
ca
sr
ba
hot water reaction
mg
cold water reaction
ca
sr
ba
ra
hcp
be
mg
ca
sr
bcc
ba
ra
density top to bottom
decrease
due to strong m-m bond in small size
anormal Be properties
small size
high charge density
high polarizing power
STRONG LA
Covalent
CN Be
4 td
CN ca…
6 or more
beo
mgo
cao
sro
bao
rao
structure
rock salt
beo
rao
top to bottom
mp
decrease
beo
rao
top to bottom
LE
decrease
beo2
rao2
top to bottom
tendency to form beo rao
decrease
beo
rao
top to bottom
decomposiition T
increase
beo
rao
top to bottom
thermal stabbility
increase
BeS structure
zinc blend
MgS
Cas
srs
structure
rock salt
be(oh)2
c(oh)2
ba(oh)2o
top to bottom
basicity
amph
moderate
strongly basic
increases
be(oh)2
c(oh)2
ba(oh)2o
top to bottom
solubility
increase
beco3
mgco3
srco3
baco3
top to bottom
solubility
decrease
beco3
mgco3
srco3
baco3
top to bottom
hydr
increase
beco3
mgco3
srco3
baco3
top to bottom
decomposition T
stability
increase due to size match
bef
mgf
caf
srf
baf
raf
solubility
onl bef soluble
others insoluble
sol decrease
mgcl2, mgbr2,, mgI2
cacl2,….
srcl2….
bacl2….
solubility in h2o
soluble
mgo, mgco3, mgso4
cao
sro
bao
solubility
insoluble
hgh lattice energy
mg
ca
sr
ba
neyde soluble
cl
br
I
oh
be(oh)2
…
b(OH)2
solub top to bottom
increase
ca
mg
sr
ba
kf
increase
