Geochemistry of the Solar System

123456789101112131415161718
Across
  1. 5. The process of building a new atomic nuclei from pre-existing nucleons (protons and neutrons)
  2. 7. Subatomic particle with a negative electric charge
  3. 8. Basic unit of a chemical element
  4. 9. Species of atoms having the same number of protons in their atomic nuclei
  5. 13. Atom with a net electric charge due to the loss or gain of one or more electrons
  6. 16. Tendency of an element to attract a shared electron when bonded to another
  7. 17. A planet orbiting a star other than our Sun
  8. 18. The amount of light emitted by an object in a unit of time.
Down
  1. 1. Subatomic particle with a positive charge
  2. 2. Term used when discussing isotopes of more than one element
  3. 3. Unstable isotope transforming into a stable one or a series of unstable nuclei before a final stable nucleus
  4. 4. The gradual accumulation of mass, as by a planet forming from colliding particles in the solar nebula
  5. 6. A meteorite composed mostly of stony material, either primitive or differentiated
  6. 10. Atoms of the same element with different mass numbers
  7. 11. A form of hydrogen in which the nucleus of each atom consists of one proton and one neutron
  8. 12. Subatomic particle with no electric charge
  9. 14. Areas within atoms where there is a high probability to find an electron
  10. 15. 46% of the earths crust is made up of this element