Atom/Element Vocab

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Across
  1. 2. The number of positive charges or protons in the nucleus of an atom of a given element
  2. 6. one type of atom
  3. 7. A stable, positively charged subatomic particle
  4. 8. A subatomic particle found outside of the nucleus
  5. 9. The positively charged mass within an atom, composed of neutrons and protons, and possessing most of the mass
  6. 10. An particle of atoms consisting of a charge of negative electricity
  7. 12. An elementary particle having no charge
  8. 13. The sum of the number of neutrons and protons in an atomic nucleus.
  9. 15. This subatomic article is found in the nucleus
Down
  1. 1. A tabular arrangement of the elements according to their atomic numbers
  2. 2. the average mass of an atom.
  3. 3. Electrons found on the outermost shell of an atom
  4. 4. A row of elements arranged forming one of the horizontal rows in the periodic table
  5. 5. A column of elements on the periodic table that have similar properties
  6. 11. This subatomic article is found in the nucleus
  7. 14. The smallest component of an element with physical and chemical properties of the element