THE PERIODIC TABLE

1234567891011121314
Across
  1. 2. A________ m______ is other name for Group 1 elements.
  2. 3. The other name for the Group 8 gases is N_____ g______.
  3. 6. A_______ m_____ n_______ is the total number of protons and neutrons.
  4. 8. M_______ can be found on the left-hand side of the Periodic table.
  5. 9. These is referring to the vertical columns that show how many outer electrons each atom has.
  6. 10. N____ m_____ can be found on the right-hand side of the Periodic table.
  7. 11. M__________ are elements which lies between the metals and the non-metals which display some properties of both.
  8. 13. configuration, E_______ c________ is the arrangement of electrons into shells for an atom.
  9. 14. P__________ n_____ is the other name for atomic number.
Down
  1. 1. The Group 7 elements are also known as H_______.
  2. 2. The other name for Group 2 elements is a_______ e____ m____.
  3. 4. N________ n_______ is also known as atomic mass number.
  4. 5. The number of electrons in the last shell is known as v_________ e_________.
  5. 7. A______ n_______ is the number of protons found in the nucleus of every atom of that element.
  6. 12. P________ is referring to the horizontal rows that show the number of shells of electrons an atom has.