Do Now - Part 2

Edit Answers
123456789101112131415161718192021222324
Across
  1. 1. protons + neutrons = Atomic ______
  2. 2. Basic building block of matter
  3. 4. element found in group 4 and period 3
  4. 6. Element with 10 protons
  5. 8. columns on the periodic table are called
  6. 11. created a model where electrons are on fixed energy levels
  7. 12. atoms bond with other atoms in order to become energetically _____
  8. 14. element that has 4 shells and creates a -1 ion when it reacts
  9. 17. A pure substance containing only ONE type of atom
  10. 18. element found in group 5 and period 2
  11. 20. rows on the periodic table are called
  12. 21. Atoms of the same element with different number of neutrons
  13. 23. elements with a full valence shell (last column of periodic table)
Down
  1. 1. elements that are shiny, good conductors, and readily lost electrons
  2. 3. Atom with a charge
  3. 4. the four types of orbitals (letters)
  4. 5. a written description of the location of electrons in their orbitals
  5. 7. protons = Atomic ______
  6. 9. element with 6 valence electrons and 3 shells
  7. 10. compare the protons to the electrons to find the _____
  8. 12. periods on the periodic table tell us the number of ___
  9. 13. element with 2 valence electrons and 4 shells
  10. 15. elements that exhibit some properties of metals and some of nonmetals
  11. 16. elements that are dull, have low melting points, and readily gain electrons
  12. 19. electrons on the outermost shell
  13. 22. element that has 3 shells and creates a +1 ion when it reacts
  14. 24. atoms are most energetically stable when they have ___ valence electrons