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GyanMul Prep · NEB +2 · Science · Grade 11

Chemistry (Science, Grade 11)

Everything on these tabs is Chemistry (Science, Grade 11) only, within NEB +2 Science · Grade 11.

Science · Grade 11 subjects

GyanMul Prep · NEB +2 · Science · Grade 11

Chemistry (Science, Grade 11)

Everything on these tabs is Chemistry (Science, Grade 11) only, within NEB +2 Science · Grade 11.

Science · Grade 11 subjects

Chapter 3 of 22 · Chemistry (Science, Grade 11)

Atomic Structure

5 topics
Board exam — Physical chemistry, 28 marks across 8 chapters
30 solved questions

How the electron is arranged, from Bohr's shells to the quantum numbers — and the rules (Aufbau, Pauli, Hund) that decide where the next electron goes.

Practise this chapter Read solved questions

Topics

What the syllabus defines for this chapter

1Rutherford and Bohr models of the atom
2Quantum numbers and orbitals
3Aufbau principle, Pauli's exclusion principle and Hund's rule
4Electronic configuration of elements
5Isotopes, isobars and isotones