PERIODIC TABLE Ele
Drawbacks
of three
Arranged elements in
group .
>
- All known elements not traids
Atomic mass of middle element is Dobernier traids
were
grouped in .
average
-
&
<
of other two elements
↓
e
of atomic mass
1)
.
e Li Na K
g. , ,
<P
order of atomic
7 23 29
When elements are
arranged in
increasing
Li Be B 3)
, ,
e C N 0 F
G
. .
8th element from first will
mass ,
then
every starting
Na 4)
have similar
properties.
-
Newland Law of octaves
es
be
Diag
i
N
Drawback
Valid to calcium
only Atomic
Nano
·
.
up
volume Li ca
of inest :
No
position
·
gas. F
-
is
Does not worked for heavier elements Lother curve
meyer's
.
>
- ↓ > sim
W
Atomic
weight
Alkali metals
occupy top positions L
-
Alkaline earth metals
occupy descending positions. Periodicity Repetitio
-
Halogens occupy ascending positions . after certain
Periodic
properties of elements are
periodic periodicity
cause of -
function of their atomic masses .
Merits configuration of eleme
.
Drawbacks
of three
Arranged elements in
group .
>
- All known elements not traids
Atomic mass of middle element is Dobernier traids
were
grouped in .
average
-
&
<
of other two elements
↓
e
of atomic mass
1)
.
e Li Na K
g. , ,
<P
order of atomic
7 23 29
When elements are
arranged in
increasing
Li Be B 3)
, ,
e C N 0 F
G
. .
8th element from first will
mass ,
then
every starting
Na 4)
have similar
properties.
-
Newland Law of octaves
es
be
Diag
i
N
Drawback
Valid to calcium
only Atomic
Nano
·
.
up
volume Li ca
of inest :
No
position
·
gas. F
-
is
Does not worked for heavier elements Lother curve
meyer's
.
>
- ↓ > sim
W
Atomic
weight
Alkali metals
occupy top positions L
-
Alkaline earth metals
occupy descending positions. Periodicity Repetitio
-
Halogens occupy ascending positions . after certain
Periodic
properties of elements are
periodic periodicity
cause of -
function of their atomic masses .
Merits configuration of eleme
.
