IPC DCA Review Day 3

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Across
  1. 1. one stick on a stick diagram represents __ shared valence electrons when showing bonding
  2. 4. argon has ___ electrons
  3. 7. the color on the visible light spectrum with the most energy
  4. 11. a digital scale in the lab measures __
  5. 12. the larger number at the bottom of a periodic table tile is called the __ mass
  6. 15. when there is an __in the lab, first thing you do is TELL THE TEACHER!
  7. 17. the radius of an atom gets __ as you move down a group because the number or orbitals for electrons gets larger
  8. 19. argon has _____ valence electrons
  9. 21. a graduated cylinder in the lab measures __
  10. 22. argon has twenty-two___
  11. 23. when reading a graduated cylinder, you always read the number at the bottom of the curve, the ____
  12. 24. the family that always reacts with alkali metals
  13. 26. the __ metals are the most reactive family
Down
  1. 2. the __ rule says that all elements (except hydrogen) want 8 valence electrons, that’s why bonding occurs!
  2. 3. a general section of the periodic table that can have properties of metals (like luster) and non-metals (like being brittle)
  3. 5. the smaller number at the top of a periodic table tile is called the atomic __
  4. 6. broken __ is the number one cause of lab injuries in the chemistry lab
  5. 8. the noble gases are ___, which means they NEVER bond with anything! They are non-reactive
  6. 9. the 2,8,8 rule tells us how many electrons go on each ring of a __ model
  7. 10. look on the board, the blue line is the length of fifty point __ inches
  8. 13. the electrons that are only on the outer orbital are called __ electrons
  9. 14. the fire extinguisher is for when the fire is large and you can’t get close, the FIRST thing you have to do to use it is pull the ___ so that you can push the two parts of the handle together
  10. 16. Neon (Ne) has ____ protons
  11. 18. look on he board, what type of measuring device is being shown?
  12. 20. when an electron goes back down to its __ state after being heated, it emits a photon of light
  13. 25. part of lab safety equipment that is use to protect your eyes