Physics X (Sindh Board) — Unit 19: Atomic Structure

Unit 19 · Atomic Structure

15 randomly selected questions from a bank of 60 · one attempt · 15 minutes on the clock.

The structure of an atom in terms of a nucleus and electrons
The evidence for the nuclear model of the atom — the Geiger and Marsden α-scattering experiment
The composition of the nucleus in terms of protons and neutrons, and the relative mass/charge of atomic particles
Elements — how the number of protons in a nucleus distinguishes one element from another (atomic number)
Nuclides, nucleon number (A), and the nuclide notation ₇Xᴬ
Isotopes — atoms of an element with the same atomic number but different atomic mass
The difference between the chemical and physical properties of isotopes

⏱ 15 min timer

❓ 15 questions

✅ Pass mark 40%

🔀 Questions & options randomized

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#	Name	Class	Roll/GR#	Correct	%	Status	Date