Atomic Structure

Chemistry (Science Paper 2) · Chapter 7 · 4. Atomic Structure and Chemical Bonding

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Your path through this chapter

1
Visual lesson Beta
1. Part 1: Particles, Rutherford's experiment and Bohr's model15 slides
2. Part 2: Electron shells, chemical activity and isotopes16 slides
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Notes Beta
5 sections with key terms, formulas and exam tips.
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Flashcards Beta
30 cards for quick recall of key terms and facts.
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Practice
82 board-style questions with instant checks: Multiple choice 30, Short answer 23, Numerical 9, Long answer 6.
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Chapter test Free
Short and long chapter tests in board pattern, with results and analysis.
- Chapter test (long) — Atomic Structure · 40 marks · 60 min
- Chapter test (short) — Atomic Structure · 20 marks · 30 min
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The atom and its constituents: protons and neutrons in the nucleus with electrons around it; atomic number and mass number
Discovery of the nucleus: Rutherford's gold foil experiment, conclusions, merits and demerits
Bohr's model of the atom (simplified form)
Distribution of electrons in orbits: the 2n^2 rule and octet rule; reason for chemical activity
Isotopes of hydrogen, carbon and chlorine