Did Dobereiner's triads also exist in the columns of Newlands' Octaves? Compare and find out.

Vedclass pdf generator app on play store
Vedclass iOS app on app store
(N/A) Only one triad of Dobereiner's triads exists in the columns of Newlands' octaves. The triad formed by the elements $Li$, $Na$, and $K$ of Dobereiner's triads also occurred in the columns of Newlands' octaves.
Dobereiner's triads:
$\begin{matrix} Li & Ca & Cl \\ Na & Sr & Br \\ K & Ba & I \end{matrix}$
Newlands' octaves:
$H$$Li$$Be$$B$$C$$N$$O$
$F$$Na$$Mg$$Al$$Si$$P$$S$
$Cl$$K$$Ca$$Cr$$Ti$$Mn$$Fe$
$Co$ and $Ni$$Cu$$Zn$$Y$$In$$As$$Se$
$Br$$Rb$$Sr$$Ce$ and $La$$Zr$--

Explore More

Similar Questions

Compare and contrast the arrangement of elements in Mendeleev's Periodic Table and the Modern Periodic Table.

Nitrogen (atomic number $7$) and phosphorus (atomic number $15$) belong to group $15$ of the Periodic Table. Write the electronic configuration of these two elements. Which of these will be more electronegative? Why?

Use Mendeleev's Periodic Table to predict the formulae for the oxides of the following elements: $K, C, Al, Si, Ba$.

In the Modern Periodic Table,which are the metals among the first ten elements?

The position of three elements $A$,$B$ and $C$ in the Periodic Table are shown below:
Group $16$ Group $17$
- -
- $A$
- -
$B$ $C$

$(a)$ Will $C$ be larger or smaller in size than $B$?
$(b)$ Which type of ion,cation or anion,will be formed by element $A$?

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo