Rubén

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Across
  1. 3. Atomic mass, the amount of matter contained in an atom of an element
  2. 4. is the one with all the elements
  3. 7. ion or radical or a compound that in the electrolysis or separation of the compound
  4. 8. Atomic number, the number of a chemical element in the periodic system
  5. 9. Electrons belong to a type of fundamental particles called leptons.
  6. 10. a process in which the structure of atoms or molecules that make up a substance are changed
Down
  1. 1. electronic configuration is the electron distribution of an atom or molecule
  2. 2. energy level of the periodic table
  3. 5. Minor material portion of a chemical element involved in chemical reactions
  4. 6. level that explains the capacity of the electrons The lightest essential particle that makes up an atom and that has the least possible charge is known as an electron.