Chemistry Vocabulary

12345678910111213141516171819202122232425
Across
  1. 2. Phase of matter in which particles have the highest speed
  2. 7. Julian breathes in some toxic fumes. He was exposed to chemicals via _____.
  3. 11. Subatomic particle with a negative charge
  4. 12. The _____ energy is the energy required to pull an electron off an atom in the gas phase
  5. 14. Refers to a process that releases heat
  6. 16. Refers to a process that absorbs heat
  7. 17. Atom with four valence electrons and only three shells.
  8. 19. How strongly an atom pulls on electrons in a bond or on a nearby atom
  9. 22. Gas to solid
  10. 23. The most electronegative atom on the periodic table
  11. 24. Liquid to gas
  12. 25. A negatively charged ion.
Down
  1. 1. Refers to a process that occurs at constant temperature
  2. 3. Sophia T. Wrong eats a powder in lab. This route of chemical exposure is called ____.
  3. 4. Number of significant figures in 0.07040
  4. 5. The atomic _____ is a measure of an atom's size.
  5. 6. Atom with more protons than electrons
  6. 8. The SI Unit for amount (also a small, furry, burrowing animal)
  7. 9. Gas to liquid
  8. 10. measures the amount of space an object occupies
  9. 11. The number of valence electrons in NH3
  10. 13. A Noble Gas with only four electron shells
  11. 15. Liquid to gas
  12. 18. Measures the number of particles per unit volume
  13. 20. Whose number is 6.022 x 10^23?
  14. 21. Unit for concentration with base units of moles per liter.
  15. 22. Equals mass divided by volume