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

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?

$Lithium$,$sodium$,and $potassium$ are all metals that react with water to liberate hydrogen gas. Is there any similarity in the atoms of these elements?

By considering their position in the Periodic Table,which one of the following elements would you expect to have maximum metallic characteristic?
$Ga$,$Ge$,$As$,$Se$,$Be$

Name:
$(a)$ three elements that have a single electron in their outermost shells.
$(b)$ two elements that have two electrons in their outermost shells.
$(c)$ three elements with filled outermost shells.

What were the criteria used by $Mendeleev$ in creating his Periodic Table?

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