5.1.2 The nucleus
- Syllabus
- 0625–2026–2027
- Topic
- 5.1.2
- Level
- —
5.1.2.1—Composition of the nucleus in terms of
- Describe the composition of the nucleus in terms of protons and neutrons
5.1.2.2—Relative charges of protons, neutrons
- State the relative charges of protons, neutrons and electrons as +1, 0 and –1 respectively
5.1.2.3—Terms proton number (atomic number) Z
- Define the terms proton number (atomic number) Z and nucleon number (mass number) A and be able to calculate the number of neutrons in a nucleus
5.1.2.4—Nuclide notation A ZX
- Use the nuclide notation A ZX
5.1.2.5—What is meant by an isotope and state
- Explain what is meant by an isotope and state that an element may have more than one isotope
5.1.2.6—Processes of nuclear fission and
- Describe the processes of nuclear fission and nuclear fusion as the splitting or joining of nuclei, to include the nuclide equation and qualitative description of mass and energy changes without values
5.1.2.7—Relationship between the proton number
- Know the relationship between the proton number and the relative charge on a nucleus
5.1.2.8—Relationship between the nucleon
- Know the relationship between the nucleon number and the relative mass of a nucleus
Objective notes
8 learning objectivesConceptIGCSE Physics