Chemistry

Edit Answers
1234567891011
Across
  1. 1. Mass minus protons/electrons gives you___
  2. 4. ___and the number of valence electrons are the same.
  3. 5. ____table is an arrangement of the known elements based on the properties
  4. 6. A bond that requires sharing of electrons
  5. 8. ____are atoms of elements with different numbers of neutrons
  6. 10. an atom which ___ electrons to achieve stability will form a positive ion.
  7. 11. A bond that requires transferring of electrons
Down
  1. 2. Protons are positive charged, electrons are___ charged
  2. 3. The most outer shell
  3. 7. ____are basic building blocks of matter
  4. 8. atoms lose and gain electrons to from ___.
  5. 9. ___and the number of occupied shell are the same.
  6. 11. number of electrons in the ___ shells influence the atomic radius