Across
- 4. - Pm (Atomic number 61)
- 9. - Mg (Atomic number 12)
- 10. - At (Atomic number 85)
- 11. - Ca (Atomic number 20)
- 12. - Og (Atomic number 118)
- 14. - As (Atomic number 33)
- 16. - Rb (Atomic number 37)
- 18. - Al (Atomic number 13)
- 21. - Bi (Atomic number 83)
- 22. - Si (Atomic number 14)
- 23. - Eu (Atomic number 63)
- 28. - Ts (Atomic number 117)
- 32. - Cr (Atomic number 24)
- 34. - Ds (Atomic number 110)
- 35. - Ag (Atomic number 47)
- 36. - Rn (Atomic number 86)
- 41. - Lr (Atomic number 103)
- 45. - Ba (Atomic number 56)
- 46. - Cu (Atomic number 29)
- 48. - Xe (Atomic number 54)
- 49. - La (Atomic number 57)
- 50. - Fe (Atomic number 26)
- 51. - Lv (Atomic number 116)
- 52. - Hs (Atomic number 108)
- 53. - Ne (Atomic number 10)
- 54. - Pa (Atomic number 91)
- 55. - Ce (Atomic number 58)
- 58. - Kr (Atomic number 36)
- 60. - Pt (Atomic number 78)
- 62. - Nh (Atomic number 113)
- 63. - Np (Atomic number 93)
- 64. - P (Atomic number 15)
- 66. - Po (Atomic number 84)
- 68. - V (Atomic number 23)
- 70. - Er (Atomic number 68)
- 71. - Ti (Atomic number 22)
- 73. - Cm (Atomic number 96)
- 74. - N (Atomic number 7)
- 76. - O (Atomic number 8)
- 78. - S (Atomic number 16)
- 80. - Re (Atomic number 75)
- 81. - Pb (Atomic number 82)
- 83. - Cs (Atomic number 55)
- 84. - F (Atomic number 9)
- 86. - Bk (Atomic number 97)
- 89. - Co (Atomic number 27)
- 92. - Y (Atomic number 39)
- 93. - Te (Atomic number 52)
- 95. - Cf (Atomic number 98)
- 97. - Pr (Atomic number 59)
- 99. - Ar (Atomic number 18)
- 102. - Cl (Atomic number 17)
- 103. - C (Atomic number 6)
- 104. - Tm (Atomic number 69)
- 105. - Sn (Atomic number 50)
- 109. - He (Atomic number 2)
- 110. - Ac (Atomic number 89)
- 112. - Os (Atomic number 76)
- 114. - Ir (Atomic number 77)
- 115. - Rg (Atomic number 111)
- 116. - Gd (Atomic number 64)
- 117. - Hg (Atomic number 80)
Down
- 1. - Li (Atomic number 3)
- 2. - Ge (Atomic number 32)
- 3. - Ni (Atomic number 28)
- 5. - Mn (Atomic number 25)
- 6. - Lu (Atomic number 71)
- 7. - Mc (Atomic number 115)
- 8. - Ho (Atomic number 67)
- 13. - Sm (Atomic number 62)
- 15. - Sg (Atomic number 106)
- 17. - In (Atomic number 49)
- 19. - Th (Atomic number 90)
- 20. - Pd (Atomic number 46)
- 24. - Sc (Atomic number 21)
- 25. - Se (Atomic number 34)
- 26. - Bh (Atomic number 107)
- 27. - Am (Atomic number 95)
- 29. - Es (Atomic number 99)
- 30. - Yb (Atomic number 70)
- 31. - B (Atomic number 5)
- 32. - Cd (Atomic number 48)
- 33. - Cn (Atomic number 112)
- 37. - Dy (Atomic number 66)
- 38. - Tc (Atomic number 43)
- 39. - Hf (Atomic number 72)
- 40. - Fl (Atomic number 114)
- 42. - Rh (Atomic number 45)
- 43. - Mt (Atomic number 109)
- 44. - W (Atomic number 74)
- 47. - Be (Atomic number 4)
- 56. - Ra (Atomic number 88)
- 57. - Nd (Atomic number 60)
- 59. - Ta (Atomic number 73)
- 61. - K (Atomic number 19)
- 65. - Pu (Atomic number 94)
- 67. - Zr (Atomic number 40)
- 69. - Md (Atomic number 101)
- 72. - Fm (Atomic number 100)
- 75. - Rf (Atomic number 104)
- 77. - No (Atomic number 102)
- 79. - U (Atomic number 92)
- 82. - Fr (Atomic number 87)
- 85. - H (Atomic number 1)
- 87. - Mo (Atomic number 42)
- 88. - Tb (Atomic number 65)
- 90. - Tl (Atomic number 81)
- 91. - Br (Atomic number 35)
- 94. - Na (Atomic number 11)
- 96. - I (Atomic number 53)
- 98. - Nb (Atomic number 41)
- 100. - Sr (Atomic number 38)
- 101. - Ru (Atomic number 44)
- 106. - Sb (Atomic number 51)
- 107. - Db (Atomic number 105)
- 108. - Ga (Atomic number 31)
- 111. - Zn (Atomic number 30)
- 113. - Au (Atomic number 79)
