OCR GCSE Chemistry A: Gateway Science (J248) · OCR J248
C1 Particles
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
Practice questions on Particles
- Explain how the results of the gold foil experiment led Rutherford to propose the nuclear … (4 marks, Explain)
- Describe the differences in the arrangement and movement of particles in a solid compared … (4 marks, Describe)
- Explain why the smell of a perfume sprayed in one corner of a room can eventually be detec… (4 marks, Explain)
- Explain why a liquid takes the shape of its container but cannot be compressed into a smal… (4 marks, Explain)
- Explain why a gas fills the entire container it is placed in, whilst a solid keeps its own… (4 marks, Explain)
- Explain what happens to the arrangement and movement of particles when a solid is heated u… (4 marks, Explain)
- Bohr developed a modification of Rutherford's nuclear atomic model. Explain how Bohr's mod… (4 marks, Explain)
- Describe how scientists' understanding of atomic structure changed from Dalton's model to … (4 marks, Describe)
- A lithium atom has an atomic number of 3 and a mass number of 7. Describe the structure of… (4 marks, Describe)
- Copper has two naturally occurring isotopes: copper-63 and copper-65. Explain what is mean… (4 marks, Explain)