I am glad to upload this. For many days i am thinking that i should upload this. But i cannot manage time. I hope it will help all of you who are learning Chemistry, specially Bangladeshi people.
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Valency table
1. mehedi.farazi33@gmail.com
VALENCY TABLE
Valency One Valency Two Valency
Three
Valency Four Valency Five Valency Six
H O N C N S
F S P S P
Cl C Al Sn(ic) As(ic)
Br Ca Fe(ic) Pb(ic) Sb(ic)
I Mg As(ous) U V
Na Cu(ic) Sb(ous) Mn
K Fe(ous) Cr Si
Cu (ous) Zn Au(ic)
Ag Sn(ous) B
Au(ous) Pb(ous) Bi
Hg(ous) Cd
Co
Ba
Hg(ic)
Mn
(: RA-------- ----DI-- -----CL---- ---ES-----):
NH4
+ CO3
2- PO3
3- [Fe(CN)6]4-
OH- SO3
2- PO4
3-
NO2
- SO4
2- [Fe(CN)6]3-
NO3
- CrO4
2- BO3
3-
HCO3
- Cr2O7
2-
Al(OH)4
- SiO3
2-
ClO3
- Zn(OH)4
2-
CNS- S2O3
2-
ClO4
-
MnO4
-
PH4
+
HSO3
-
HSO4
-
CN-
CN0-
OCl-
2. mehedi.farazi33@gmail.com
Some elements name with formula and pronunciation:
Elements Formula Pronunciation(English) Pronunciation(Bangla)
H Hydrogen 爨項鉦爭 爨鉦爨爨
F Fluorine 爭爨逗Π爨
Cl Chlorine 爨鉦逗Π爨
Br Bromine 爨鉦逗Ξ爨
I Iodine 爨爭爭爨鉦逗Α爨
Na Sodium 爨伍鉦逗Α爭爨鉦Ξ
K Potassium 爨爨爨鉦逗Χ爭爨鉦Ξ
Cu Copper 爨爨爨鉦Π
Ag Silver 爨逗Ω爨迦Ν爨鉦Π
Au Gold 爨爨
Hg Mercury 爨爨鉦爨鉦Π爭
O Oxygen 爨爨 爭爨爨
S Sulphur 爨伍鉦Σ爨爨鉦Π
V Vanadium 爨 爨鉦Θ爨鉦逗Α爭爨鉦Ξ
Mn Manganese 爨 爨鉦逗Θ爨
Mg Magnesium 爨鉦爭爨爨逗Ω爭爨鉦Ξ
Cu Copper 爨爨爨鉦Π
Fe Iron 爨爭爨萎Θ
Zn Zinc 爨逗爨爨
Pb Lead 爨迦Α
Cd Cadmium 爨 爨鉦Α爨逗Ξ爭爨鉦Ξ
Co Cobalt 爨爨鉦Μ爨
Ba Barium 爨爨逗Π爭爨鉦Ξ
Hg Mercury 爨爨鉦爨鉦Π爭
Mn Manganese 爨 爨鉦逗Θ爨
N Nitrogen 爨爨鉦爭 爨鉦爨爨
P Phosphorous 爨爨伍Λ爨萎鉦Ω
As Arsenic 爨爭爨伍逗Θ爨
Sb Antimony 爨 爨鉦 爨爨逗Θ
Cr Chromium 爨鉦逗Ξ爭爨鉦Ξ
Sn Tin 爨
B Boron 爨爨鉦Π爨
Bi Bismuth 爨逗Μ爨伍Ξ爨鉦Ε