Plum Prunus americana

1. Plum (Prunus americana)

2. Element Names Dr. Smith 2007

3. Hydrogen H Diatomic H2 , gas at room temp Non-metal Most abundant element in universe H+ (Hydrogen) H- (Hydride)

4. Helium He Monoatomic gas at room temp Non-metal Inert Gas or Noble Gas

5. Lithium Li Metal, solid at room temp Alkali metal Li+ (Lithium)

6. Beryllium Be Metal, solid at room temp Alkaline Earth Metal Be+2 (Beryllium)

7. Boron B Metalloid, solid at room temp B+3 (Boron)

8. Carbon C Non-metal, solid - 3 allotropes (graphite, diamond, buckministerfullerene) C-4 (Carbide)

9. Nitrogen N Diatomic N2 gas at room temp Non-metal, pnictogen N-3 (nitride)

10. Oxygen O Non-metal, chalcogen, 2 allotropes Diatomic O2 and triatomic O3 both gases at room temp O-2 (oxide)

11. Fluorine F Diatomic F2, gas at room temp Non-metal, Halogen F- (fluoride)

12. Neon Ne Non-metal, monoatomic, Inert Gas Forms no compounds

13. Sodium Na Metal, solid at room temp Alkali metal Na+ (Sodium)

14. Magnesium Mg Metal, solid at room temp Alkaline Earth Metal Mg+2 (Magnesium)

15. Aluminum Al Metalloid, solid at room temp Al+3 (Aluminum)

16. Silicon Si Metalloid, solid at room temp Si+4 (Silicon)

17. Phosphorus P Non-metal, tetratomic P4, solid at room temp Pnictogen P-3 (phosphide)

18. Sulfur S Non-metal, octatomic S8, solid at room temp Chalcogen S-2 (sulfide)

19. Chlorine Cl Diatomic Cl2 gas at room temp Non- metal, Halogen Cl- (chloride)

20. Argon Ar Monoatomic non-metal gas at room temp Inert Gas Forms no compounds

21. Potassium K Metal, solid at room temp Alkali metal K+ (Potassium)

22. Calcium Ca Metal, solid at room temp Alkaline Earth Metal Ca+2 (Calcium)

23. Scandium Sc Metal, solid at room temp Transition metal (Iron Group) Sc+3 , Scandium(III)

24. Titanium Ti Metal, solid at room temp Transition metal (Iron Group) Ti+2, titanium(II), Ti+4 , titanium(IV)

25. Vanadium V Metal, solid at room temp Transition metal (Iron Group) V+2 , Vanadium(II), V+5 , Vanadium(V)

26. Chromium Cr Metal, solid at room temp Transition metal (Iron Group) Cr+2 chromium(II), Cr+3 chromium(III), Cr+6 chromium(VI)

27. Manganese Mn Metal, solid at room temp Transition metal (Iron Group) Mn+2 manganese(II), Mn+4 manganese(IV), Mn+7 manganese(VII)

28. Iron Fe Metal, solid at room temp Transition Metal (Iron Group) Fe+2 iron(II), Fe+3 iron(III) Most stable element in universe

29. Cobalt Co Metal, solid at room temp Transition Metal (Iron Group) Co+2 cobalt(II), Co+3 cobalt(III)

30. Nickel Ni Metal, solid at room temp Iron Group transition metal Ni+2 nickel(II), Ni+3 nickel(III) Second most stable element in universe

31. Copper Cu Metal, solid at room temp Iron Group transition metal Cu+ copper(I), Cu+2 copper(II)

32. Zinc Zn Metal, solid at room temp Iron group transition metal Zn+2 zinc

33. Arsenic As Metalloid, solid at room temp Pnictogen As+3 arsenic(III), As+5 arsenic(V)

34. Selenium Se Non-metal, solid at room temp, chalcogen Se-2 selenide

35. Bromine Br Diatomic Br2, liquid at room temp Halogen Br- bromide

36. Krypton Kr Monoatomic inert gas at room temp

37. Strontium Sr Metal, solid at room temp Alkaline Earth Metal Sr+2 (strontium)

38. Zirconium Zr Metal, solid at room temp Palladium Group transition metal Zr+2 zirconium(II), Zr+4 zirconium(IV)

39. Palladium Pd Metal, solid at room temp Palladium Group transition metal, jewelry or coinage metal Pd+2 palladium(II), Pd+4 palladium(IV)

40. Silver Ag Metal, solid at room temp Palladium Group transition metal, coinage or jewelry metal Ag+ silver(I), Ag+2 silver(II)

41. Cadmium Cd Metal, solid at room temp Palladium group transition metal Cd+2 (cadmium)

42. Tin Sn Metal, solid at room temp Sn+2 tin(II), Sn+4 tin(IV)

43. Antimony Sb Metalloid, solid at room temp Pnictogen Sb+3 antimony(III), Sb+5 antimony(V)

44. Iodine I Diatomic I2, non-metal, solid at room temp Halogen I- (iodide)

45. Xenon Xe Monoatomic inert gas at room temp

46. Barium Ba Metal, solid at room temp Alkaline Earth Metal Ba+2 (barium)

47. Tungsten W Metal, solid at room temp Platinum Group transition metal

48. Osmium Os Metal, solid at room temp Platinum Group transition metal Os+8 osmium(VIII) Most dense element 22.61 g/mL

49. Platinum Pt Metal, solid at room temp Platinum Group transition metal, coinage or jewelry metal Pt+2 platinum(II), Pt+4 platinum(IV)

50. Gold Au Metal, solid at room temp Platinum Group transition metal, coinage or jewelry metal Au+ gold(I), Au+3 gold(III)

51. Mercury Hg Metal, liquid at room temp Platinum Group transition metal Hg2+2 mercury(I), Hg+2 mercury(II)

52. Thallium Tl Metal, solid at room temp Tl+ thallium(I), Tl+3 thallium(III)

53. Lead Pb Metal, solid at room temp Pb+2 lead(II), Pb+4 lead(IV)

54. Bismuth Bi Metal, solid at room temp Pnictogen Bi+3 bismuth(III) Heaviest non-radioactive element

55. Radon Rn Monoatomic inert gas Radioactive

56. Radium Ra Metal, solid at room temp Alkaline Earth Metal Ra+2 (radium) Radioactive

57. Uranium U Metal, solid at room temp Actinide or transuranic group U+6 uranium(VI)