Group 2A Flashcards

1
Q

organometallic comp kurabilen

A

be
mg

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2
Q

electrolysis yapabilen

A

ca
sr
ba

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3
Q

hot water reaction

A

mg

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4
Q

cold water reaction

A

ca
sr
ba
ra

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5
Q

hcp

A

be
mg
ca
sr

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6
Q

bcc

A

ba
ra

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7
Q

density top to bottom

A

decrease
due to strong m-m bond in small size

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8
Q

anormal Be properties

A

small size
high charge density
high polarizing power
STRONG LA
Covalent

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9
Q

CN Be

A

4 td

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10
Q

CN ca…

A

6 or more

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11
Q

beo
mgo
cao
sro
bao
rao
structure

A

rock salt

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12
Q

beo
rao
top to bottom
mp

A

decrease

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13
Q

beo
rao
top to bottom
LE

A

decrease

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14
Q

beo2
rao2
top to bottom
tendency to form beo rao

A

decrease

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15
Q

beo
rao
top to bottom
decomposiition T

A

increase

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16
Q

beo
rao
top to bottom
thermal stabbility

A

increase

17
Q

BeS structure

A

zinc blend

18
Q

MgS
Cas
srs
structure

A

rock salt

19
Q

be(oh)2
c(oh)2
ba(oh)2o
top to bottom
basicity

A

amph
moderate
strongly basic
increases

20
Q

be(oh)2
c(oh)2
ba(oh)2o
top to bottom
solubility

A

increase

21
Q

beco3
mgco3
srco3
baco3
top to bottom
solubility

A

decrease

22
Q

beco3
mgco3
srco3
baco3
top to bottom
hydr

A

increase

23
Q

beco3
mgco3
srco3
baco3
top to bottom
decomposition T
stability

A

increase due to size match

24
Q

bef
mgf
caf
srf
baf
raf
solubility

A

onl bef soluble
others insoluble
sol decrease

25
Q

mgcl2, mgbr2,, mgI2
cacl2,….
srcl2….
bacl2….
solubility in h2o

A

soluble

26
Q

mgo, mgco3, mgso4
cao
sro
bao
solubility

A

insoluble
hgh lattice energy

27
Q

mg
ca
sr
ba
neyde soluble

A

cl
br
I
oh

28
Q

be(oh)2

b(OH)2
solub top to bottom

A

increase

29
Q

ca
mg
sr
ba
kf

A

increase