Across
- 1. straight molecular shape
- 3. bond formed by electron transfer
- 6. pure substance made of one type of atom
- 10. bond where electrons move freely
- 11. exposed area of a substance
- 14. a counting unit used to measure particles
- 15. reaction where substances combine
- 17. bond formed by sharing electrons
- 19. molecule with even charge distribution
- 21. a force that holds atoms together
- 22. the smallest unit of matter
- 26. particles must collide to react
- 27. number showing atoms in a compound
- 28. relationship between amounts
- 29. molecule with uneven charge distribution
- 31. outer shell electrons involved in bonding
- 32. process where substances change
- 36. reaction where substances break apart
- 37. three-sided pyramid shape
- 38. correct alignment of particles during collision
Down
- 2. ability of an atom to attract electrons
- 4. amount of particles in a space
- 5. molecular shape with an angle
- 7. a negatively charged particle
- 8. the center of an atom
- 9. equation equation with equal atoms on both sides
- 12. substance made of two or more elements
- 13. a neutral particle in the nucleus
- 16. speed of a reaction
- 17. number in front of a chemical formula
- 18. the mass of one mole of a substance
- 20. substance formed in a reaction
- 23. using ratios to find amounts in reactions
- 24. measure of heat affecting reaction speed
- 25. a positively charged particle
- 30. required for a reaction to occur
- 33. substance that speeds up a reaction
- 34. reaction with oxygen producing CO2 and water
- 35. starting substance in a reaction