Vedclass
Class 11ChemistryClassification of Elements and Periodicity in PropertiesChemical Reactivity
Difficult

The atomic numbers of the metallic and non-metallic elements which are liquid at room temperature respectively are

  • A
    $55, 87$
  • B
    $33, 87$
  • C
    $35, 80$
  • D
    $80, 35$
Share

Explore More

Browse All

Question Bank

11

All Subjects

Class 11 Questions

Class 11

Chemistry Questions

Chapter

Classification of Elements and Periodicity in Properties

Subtopic

Chemical Reactivity

Similar Questions

The increasing order of reactivity among group $1$ elements is $Li < Na < K < Rb < Cs$ whereas that among group $17$ elements is $F > Cl > Br > I$. Explain.

Medium
View Solution

What are the major differences between metals and non-metals?

Medium
View Solution

The first member of each group of representative elements (i.e.,$s$- and $p$-block elements) shows anomalous behaviour. Illustrate with two examples.

Medium
View Solution

Bond enthalpy of $Ge-Ge$ bond is $260 \ kJ \ mol^{-1}$. The bond enthalpies of $Si-Si$ and $Sn-Sn$ bonds in $kJ \ mol^{-1}$ are respectively

EasyAP EAMCET 2022
View Solution

Select the correct order.

Medium
View Solution

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