Class 9 Courses

Grade 9 Chemistry Tests: Download App & e-Book

Class 9 Chemistry MCQ - Complete Course

Class 9 Chemistry: Atomic Structure Experiments App's MCQ Download & e-Book - 61

MCQ: 61

The energy of an electron in orbit is proportional to

  1. distance between shells
  2. distance from nucleus
  3. distance between two nuclei
  4. positive charge inside nucleus

Class 9 Chemistry App & e-Book Tests PDF Download

Atomic Structure Experiments Study App: Free Download iOS & Android

The App: Atomic Structure Experiments MCQ App to study Atomic Structure Experiments Notes, 9th Grade Chemistry MCQ App, and A level Chemistry MCQ App. The "Atomic Structure Experiments" App to free download 9th Grade Chemistry MCQ App (Android & iOS) includes complete analytics with interactive assessments. Download App Store & Play Store study Apps & enjoy 100% functionality with subscriptions!

Atomic Structure Experiments App (Android & iOS)

Atomic Structure Experiments App (Android & iOS)

9th Grade Chemistry App (Android & iOS)

9th Grade Chemistry App (iOS & Android)

A level Chemistry App (Android & iOS)

A level Chemistry App (Android & iOS)

SAT Chemistry App (Android & iOS)

SAT Chemistry App (iOS & Android)