Chemistry Period 3

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Across
  1. 3. bond a chemical bond in which three pairs of electrons are shared between two atoms
  2. 5. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound
  3. 6. forces force that holds together the atoms making up a molecule or compound
  4. 8. an atom with electric charge due to the loss or gain of one or more electrons
  5. 9. attraction electrostatic interaction between electrically charged particles
  6. 11. pairs valence electron pair without bonding or sharing with other atoms
  7. 12. electron an electron in the outer shell of an atom which can combine with other atoms to form molecules
  8. 14. ion is a charged chemical species (ion) composed of two or more atoms
  9. 16. bond a chemical bond in which one atom loses an electron to form a positive ion
  10. 17. dot structures diagrams that show the bonding between atoms
  11. 19. bond a chemical bond in which two pairs of electrons are shared between two atoms
  12. 21. lattice the symmetrical three-dimensional arrangement of atoms inside a crystal
Down
  1. 1. a set of chemical symbols showing the elements
  2. 2. bond a chemical bond in which electrons are shared over many nuclei and electronic conduction occurs
  3. 4. a negatively charged ion
  4. 6. forces forces of attraction or repulsion which act between neighboring particles
  5. 7. bond a chemical bond in which one pair of electrons is shared between two atoms
  6. 10. name et of rules to generate systematic names for chemical compounds
  7. 13. bond a chemical bond that involves sharing a pair of electrons between atoms in a molecule
  8. 15. a positively charged ion
  9. 18. stable group of eight electrons occupying a single shell in an atom
  10. 20. a mutual attraction between two atoms