Across
- 2. use these to show how many of each in the names of covalent compounds
- 6. only positive polyatomic on your sheet
- 7. Fr
- 8. theyre blue on your periodic table
- 12. different version of an atom (different mass)
- 13. weight of one mole of a substance
- 15. lab equipment used to protect your eyes
- 22. color of a non-metal on your periodic table
- 23. sodium bromide
- 24. Fe
- 26. relative amount of each element in a compound
- 29. metal – nonmetal
- 32. brown outline on your periodic table
- 34. used to show energy levels of an atom
- 37. smallest particle of an element
- 39. these can take on multiple charges
- 40. these are found only in the outermost energy level
- 41. row on a periodic table
- 42. Ba
- 43. has a mass of 131.54
- 44. lightest noble gas
Down
- 1. number of valence electrons for a halogen
- 3. use these to convert from mass to moles or moles to mass
- 4. has a mass of 1.01g
- 5. positive ion
- 9. number of energy levels for argon
- 10. charge of something that has one more electron than proton
- 11. indicates which charge a transition metal actually has
- 14. sulfur as an ion is called…
- 16. has 51 protons
- 17. CO
- 18. these have one valence electron
- 19. equal to the number of protons of an atom
- 20. 10 in a covalent compound
- 21. column on a periodic table
- 25. negative ion
- 27. tetra + penta
- 28. equal to 602000000000000000000000 atoms
- 30. first person who suggested “atoms” existed
- 31. tendency of atoms to prefer to have eight valence electrons
- 33. Calcium Selenide
- 35. looks like 2 dots in a lewis structure
- 36. polyatomic that includes 2 carbon, 3 hydrogen, 2 oxygen
- 38. Sn