EASY
8th ICSE
IMPORTANT
Earn 100

What is the valency of the following element?

Boron in boron hydride BH3

Chapter-Wise 3D Chemistry Videos from Subject Experts Inspired Chemistry - 8

Electronic Configuration
10 min 19 sec

Electronic Configuration

Electron configuration is the distribution of electrons of an atom or molecule in atomic or molecular orbitals. Let’s watch the video and learn electronic co...
Electronic Configuration of Elements
Asking Questions and Defining Problems
06 min 06 sec

Electronic Configuration of Elements

The number of protons in an atom is called its atomic number, represented by ‘Z’, while the sum of its protons and neutrons is called its mass number, given...
Cathode Ray Experiment
04 min 27 sec

Cathode Ray Experiment

Study the instrumentation and conditions used in the cathode ray experiment. The cathode ray tube uses several components to convert electrical signals into...