Group 1A

Question 1

density

Answer 1

low

Question 2

hard or soft

Answer 2

soft

Question 3

mp low or high

Answer 3

low çünkü soft

Question 4

cubic structure

Answer 4

bcc

Question 5

top to bottom
IE

Answer 5

decrease
büyüdüğü için kolayca e kopar

Question 6

top to bottom
Ered

Answer 6

not change much
-3.03-3.04

Question 7

top to bottom
d

Answer 7

increase

except K

Question 8

top to bottom
mp

Answer 8

IE gibi düşün
decrease

Question 9

top to bottom
delta H hyd

Answer 9

increase
less -

Question 10

top to bottom
delta H sub

Answer 10

decrease

Question 11

top to bottom reactivity

Answer 11

increase

Question 12

top to bottom
softness

Answer 12

increase

Question 13

top to bottom
EA

Answer 13

increase
less -

Question 14

top to bottom
stability and lattice enthalpy
li2o2
na2o2
k2o2
rb2o2
cs2o2

Answer 14

stability increase with size but lattice energy decreases

Question 15

top to bottom
increasing

Answer 15

r
d
hyd
react
soft

Question 16

top to bottom
decreasing

Answer 16

IE
mp
sub

Question 17

oxidation more favorable

Answer 17

decreasing IE and sub
bottom

Question 18

oxidation less favorable

Answer 18

decreasing r and hyd
top

Question 19

1A+ H
which hydride

Answer 19

saline

Question 20

1A+ H
which structure

Answer 20

rock salt

Question 21

1A+X structure
except cs

Answer 21

rock salt

Question 22

cscl, csbr,csı structure

Answer 22

Cscl structure (8,,8)

Question 23

LiF
naf
kf
rbf
csf
delta h formation

Answer 23

increase
benzer boyutların birleşmesi kolay olur gibi düşün

Question 24

licl libr liI
nacl nabr naI
kcl
rbcl
cscl
delta h formation

Answer 24

azalır
ffff ben artarım f u
diğerleri azalır

Question 25

CN of 1A-X NaCl, Kcl, Rbcl

Answer 25

6,6

Question 26

CN of 1A-X cscl, csbr, csI

Answer 26

8,8 ortada cs 1 köşelerde cl 8*1/8=1

Question 27

1A+ O o2-

Answer 27

simple oxide 2li+1/2o2-> li2o

Question 28

1A+O O-

Answer 28

peroxide 2na+ o2-> na2o2

Question 29

1A+O O-1/2

Answer 29

superoxide k rb cs+ o2-> k02 rbo2 cso2

Question 30

1A+C c2 2-

Answer 30

dicarbide acteylide li2c2

Question 31

1A+S structure

Answer 31

antifluorite li2s k2s

Question 32

1A+ CO3 solubility li na k

Answer 32

li2co3 sparingly soluble na,k soluble

Question 33

na2co3 k2co3 rb2co3 cs top to bottom stability and decomposition temperature

Answer 33

both increase

Question 34

1A+ Fullerene

Answer 34

na2c60 k3c60-> fcc hesabına deftere bbak

Question 35

Interclation comp

Answer 35

k rb cs+ C c8k

Question 36

source of li

Answer 36

spodumere lepidolite

Question 37

source of na

Answer 37

mineral rock-salt sea nacl

Question 38

Solubility dependence on size

Answer 38

large diff in + - size increase solub

Question 39

Solubility dependence on hydration enthalpy

Answer 39

ion dipole int increase enthalpy ama aşağı indikçe hydration ent azalır

Question 40

Solubility dependence on lattice enthalpy

Answer 40

LE increase Solb decrease

Question 41

Order the solubilities of lif licl libr liI

Answer 41

aşağı indikçe size diff artar artan sıralama top to bottom

Question 42

Order the solubilities of csf csc csbr csI

Answer 42

aşağı indikçe azalır

Question 43

expanded metal

Answer 43

e- delocalize through the soln conductivity close to metal

Question 44

zintl phase?

Answer 44

1A+ 13 to 16A p-block atoms/ions/molecules with the same number of valence electrons can build the same structure.

Question 45

zintl phase para or diamagnetic

Answer 45

dia

Question 46

zintl phase conductivity

Answer 46

poor

Question 47

zintl phase cov ionic metallic

Answer 47

ionic

Question 48

zintl phase examples

Answer 48

k4ge, cs4ge9,,