The elements with atomic numbers $9, 17, 35, 53, 85$ are all

  • A
    Noble gases
  • B
    Halogens
  • C
    Heavy metals
  • D
    Light metals

Explore More

Similar Questions

Which of the following molecules has the highest bond dissociation enthalpy?

Which of the following is used for the preparation of chlorine?

Concentrated $H_2SO_4$ is not used to prepare $HBr$ from $KBr$ because it

Aqueous solution of which of the following acids cannot be kept in a bottle of glass?

Which among the following factors is the most important in making fluorine the strongest oxidizing halogen?

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