IGCSE Nuclear Physics

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Across
  1. 4. A positively charged particle found in the nucleus of an atom.
  2. 5. A way of representing an atom using its mass number (A), atomic number (Z), and chemical symbol.
  3. 6. A specific type of atom defined by its proton number and nucleon number.
  4. 9. The smallest unit of an element that can exist, consisting of a nucleus surrounded by electrons.
  5. 10. An atom or group of atoms that has gained or lost electrons and therefore has a net charge.
  6. 12. The total number of protons and neutrons in the nucleus of an atom.
  7. 13. A neutral (uncharged) particle found in the nucleus of an atom.
  8. 14. A negatively charged ion formed when an atom gains one or more electrons.
Down
  1. 1. A particle found in the nucleus of an atom, either a proton or a neutron.
  2. 2. The number of protons in the nucleus of an atom.
  3. 3. Atoms of the same element that have the same number of protons but different numbers of neutrons.
  4. 7. A positively charged ion formed when an atom loses one or more electrons.
  5. 8. A negatively charged particle found orbiting the nucleus of an atom.
  6. 11. The small, dense, positively charged centre of an atom that contains protons and neutrons.