Committed for Excellence in Education
CHAPTER - O3
ELEmENTS AND PERIo 01CITY Inl PROPFR TI ES|
CLASSIFI CATION oF
Mendeleev 's Pelo dic Jaw
According to tles law tha ehemical ond phslcal
peviohe ynctiem of tuir
propertes of element ase he
tomic wight.
Moclern peioc'c law
!
jpropes H'es
t2 chmical en physical
Crotoare he peioclic func Ho of tHr
tomic numb
Choacteatic of dong_omopeioci C table
och
Contaun 7 Hongetal owd
The peHioie tuble
called
eoloums
|ase
() he
e fero
mybr (m)
be1iod numbe
as period amd 18
of the
ves14Hcle
of elemnent s the pinipe
outer cell of that element
quanfun
as IA, TA,IVB,y.
(D)Poevibwsdy the grob woa sue presonteol
ecomm on dation Hae
2UpAC
etc But ac(Yding to Letest2, 3,4
groub au ou bresenel
as
con be ele fermined
group mumbr of gn element
he
forrula
by o'llow ing oroe mumbr =Z-z*
tlu given elemed
z=Afomjc, nurmber
of
nobe
Zh- Afomic nunber
of tHa neat deft oud gad
omd end on noble qus
with alkai metal
Atant
|(0) Each peiod
ban thanium a) cmed ofher 14y elemeud
(v) 14 elemert aftr 89) o kepd out of the boiodic table.
after Ac tiniyn(Ac Lanthanide emd
Hu eloment ayter
La e-Lugi) u Callid
Actinidu
I4 elend ater Ac qpth nr) Caled
u
in þiodid
buiom of He elemerd
the cliyti
|(o) he Ammay of
is given a) Yollows Elemeut
table Ao o elemaud)
Alo ot shell H He
Peniod 2
8 Lj -Ne
2 2
8 Na - A
3 3 K-kY
, b
DleneaaCe
S 18
32
Sune groub and eloment fn hu peH1 O dic table au given
sbeciel names Hhese ae -
metals
() Li, Na, k, Rb,Cs 7 AlK eli
metls
(2)
Be, mg,Ca, Sr, Ba A1 Kalins path
(8) Cu, Ag, Au >(oimage metals
(4) N, P, As,Sb, Bi Poictogns
O ,S ,Se ,Te ,Po chalco gehs
|(6)
(7)
(9) Ce
F,C,
He,
-
br,
Ne,Ar, Kr, Xe, Rn
Lu
I,AtHadogens
Nobi
Lgm thanoid
gas
(9) Th - Lr - Actinojda
n the basis ot electronio Conigwrat'on beiocdic table
be divj ce into y- blo c<s
S- B1ock !
he s- Block Contauh He ele mnt tawe Huy dast electron
ib A- sub le l! the ganerat electronic Confiawration of Heu block
his block includes elemout of groub 1 hat is alkali metel
omd groub 2 allaline eath netal
P- BlocK
y block inclucle. tac elemuca oich ane tHrdat electro
in þ-sub shall te genrval el ectronic eoniguati on ot Hai
This block inclade he olemgudo of the groulb 13-18 au incuded
in thes blotk
D- Block
hs block ineludled the el emants of aroub 3-|2
he last element of this block is in ol- block tu plomyut
of tis block aA Callecl toansiHorn eleunt I-l0
The genayral electronic (mtigwyation 0-2
i (h-)d ns
CHAPTER - O3
ELEmENTS AND PERIo 01CITY Inl PROPFR TI ES|
CLASSIFI CATION oF
Mendeleev 's Pelo dic Jaw
According to tles law tha ehemical ond phslcal
peviohe ynctiem of tuir
propertes of element ase he
tomic wight.
Moclern peioc'c law
!
jpropes H'es
t2 chmical en physical
Crotoare he peioclic func Ho of tHr
tomic numb
Choacteatic of dong_omopeioci C table
och
Contaun 7 Hongetal owd
The peHioie tuble
called
eoloums
|ase
() he
e fero
mybr (m)
be1iod numbe
as period amd 18
of the
ves14Hcle
of elemnent s the pinipe
outer cell of that element
quanfun
as IA, TA,IVB,y.
(D)Poevibwsdy the grob woa sue presonteol
ecomm on dation Hae
2UpAC
etc But ac(Yding to Letest2, 3,4
groub au ou bresenel
as
con be ele fermined
group mumbr of gn element
he
forrula
by o'llow ing oroe mumbr =Z-z*
tlu given elemed
z=Afomjc, nurmber
of
nobe
Zh- Afomic nunber
of tHa neat deft oud gad
omd end on noble qus
with alkai metal
Atant
|(0) Each peiod
ban thanium a) cmed ofher 14y elemeud
(v) 14 elemert aftr 89) o kepd out of the boiodic table.
after Ac tiniyn(Ac Lanthanide emd
Hu eloment ayter
La e-Lugi) u Callid
Actinidu
I4 elend ater Ac qpth nr) Caled
u
in þiodid
buiom of He elemerd
the cliyti
|(o) he Ammay of
is given a) Yollows Elemeut
table Ao o elemaud)
Alo ot shell H He
Peniod 2
8 Lj -Ne
2 2
8 Na - A
3 3 K-kY
, b
DleneaaCe
S 18
32
Sune groub and eloment fn hu peH1 O dic table au given
sbeciel names Hhese ae -
metals
() Li, Na, k, Rb,Cs 7 AlK eli
metls
(2)
Be, mg,Ca, Sr, Ba A1 Kalins path
(8) Cu, Ag, Au >(oimage metals
(4) N, P, As,Sb, Bi Poictogns
O ,S ,Se ,Te ,Po chalco gehs
|(6)
(7)
(9) Ce
F,C,
He,
-
br,
Ne,Ar, Kr, Xe, Rn
Lu
I,AtHadogens
Nobi
Lgm thanoid
gas
(9) Th - Lr - Actinojda
n the basis ot electronio Conigwrat'on beiocdic table
be divj ce into y- blo c<s
S- B1ock !
he s- Block Contauh He ele mnt tawe Huy dast electron
ib A- sub le l! the ganerat electronic Confiawration of Heu block
his block includes elemout of groub 1 hat is alkali metel
omd groub 2 allaline eath netal
P- BlocK
y block inclucle. tac elemuca oich ane tHrdat electro
in þ-sub shall te genrval el ectronic eoniguati on ot Hai
This block inclade he olemgudo of the groulb 13-18 au incuded
in thes blotk
D- Block
hs block ineludled the el emants of aroub 3-|2
he last element of this block is in ol- block tu plomyut
of tis block aA Callecl toansiHorn eleunt I-l0
The genayral electronic (mtigwyation 0-2
i (h-)d ns