IGCSE Physics (0625) 5.1.1 The atom Paper 2 -2023,2024&2025

Question

 Which diagram shows a possible structure of a neutral atom?

Answer/Explanation

Ans:A

Question

The scattering of particles by a thin gold foil provided scientists with evidence for the nuclear atom.
Which particles were scattered by the gold nuclei in the thin foil?
A $\alpha$-particles
B $\beta$-particles
C neutrons
D protons

Answer/Explanation

Ans:A

Question

Three students are describing the structure of an atom.

student 1 All the positively charged particles are in the nucleus.

student 2 Positive electrons are in the nucleus.

student 3 Negative electrons orbit around the nucleus.

Which students are making a correct statement?

A 1, 2 and 3                     

B 1 and 2 only                     

C 1 and 3 only                           

D 2 and 3 only

Answer/Explanation

Ans: C

Question

When alpha particles are incident on a thin metal foil, most of them pass through undeviated.

What does this observation reveal about the nature of the atom?
A The atom has a dense nucleus.

B The atom is mostly empty space.

C The atom is very small.

D The nucleus of the atom is positively charged.

Answer/Explanation

Ans: B

Question

When alpha particles are incident on a thin metal foil, most of them pass through undeviated.

What does this observation reveal about the nature of the atom?
A The atom has a dense nucleus.

B The atom is mostly empty space.

C The atom is very small.

D The nucleus of the atom is positively charged.

Answer/Explanation

Ans: B

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