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Electron Configuration Flashcards: All 118 Elements

Practice neutral-atom ground-state electron configurations for every named element, with NIST-based shorthand and clearly labeled predictions.

Par Open Study Contributor

À propos de ce paquet

These 131 English flashcards practice neutral-atom ground-state electron configurations for all 118 currently named elements, from hydrogen through oganesson. Every element-to-configuration card includes the name, symbol, and atomic number. Thirteen extra reverse cards ask for the element behind a selected high-value irregular configuration.

What’s included

  • 118 element-to-configuration cards in noble-gas shorthand.
  • 13 configuration-to-element cards for Cr, Cu, Nb, Mo, Ru, Rh, Pd, Ag, Ce, Gd, Pt, Au, and Cm.
  • A sequence by increasing atomic number, with each reverse card placed at least six unrelated cards after its matching forward card.
  • The requested answer first on every back, with source qualifiers appended for lawrencium and the predicted elements 109–118.
  • NIST ASD ground-shell assignments through hassium. Meitnerium through oganesson are labeled as PubChem/LANL predictions; lawrencium follows NIST’s current 7p¹ assignment.

What’s excluded

The deck does not include full expanded configurations, ions, excited states, orbital-box diagrams, quantum numbers, derivation drills, oxidation states, or other element properties. It also avoids automatic reverse cards and separate name, symbol, and atomic-number permutations for every element.

Sources and reuse

The primary factual sources are the NIST Atomic Spectra Database, its ground-shell guidance, and the NIST periodic table. PubChem’s element pages expose property-level sources and provide the stated LANL prediction convention for elements 109–118. For roentgenium, this deck follows the exact PubChem element entry and LANL page, which both predict [Rn] 5f¹⁴ 6d⁹ 7s²; PubChem’s downloadable table instead lists [Rn] 5f¹⁴ 6d¹⁰ 7s¹. This documented source disagreement is not treated as a second accepted answer. IUPAC confirms the current names and symbols.

The questions, answers, selection, order, and cover were produced independently. No competitor cards, prose, tables, logos, or trade dress were copied. The CC0 label covers only the original wording, organization, metadata, and generated media that Open Study Contributor can license; it does not claim ownership of scientific facts or source material.

Cartes de ce paquet

  1. Carte 1

    Question

    Hydrogen (H, Z=1) — neutral ground-state configuration

    Réponse

    1s¹

  2. Carte 2

    Question

    Helium (He, Z=2) — neutral ground-state configuration

    Réponse

    1s²

  3. Carte 3

    Question

    Lithium (Li, Z=3) — neutral ground-state configuration

    Réponse

    [He] 2s¹

  4. Carte 4

    Question

    Beryllium (Be, Z=4) — neutral ground-state configuration

    Réponse

    [He] 2s²

  5. Carte 5

    Question

    Boron (B, Z=5) — neutral ground-state configuration

    Réponse

    [He] 2s² 2p¹

  6. Carte 6

    Question

    Carbon (C, Z=6) — neutral ground-state configuration

    Réponse

    [He] 2s² 2p²

  7. Carte 7

    Question

    Nitrogen (N, Z=7) — neutral ground-state configuration

    Réponse

    [He] 2s² 2p³

  8. Carte 8

    Question

    Oxygen (O, Z=8) — neutral ground-state configuration

    Réponse

    [He] 2s² 2p⁴

  9. Carte 9

    Question

    Fluorine (F, Z=9) — neutral ground-state configuration

    Réponse

    [He] 2s² 2p⁵

  10. Carte 10

    Question

    Neon (Ne, Z=10) — neutral ground-state configuration

    Réponse

    [He] 2s² 2p⁶

  11. Carte 11

    Question

    Sodium (Na, Z=11) — neutral ground-state configuration

    Réponse

    [Ne] 3s¹

  12. Carte 12

    Question

    Magnesium (Mg, Z=12) — neutral ground-state configuration

    Réponse

    [Ne] 3s²

  13. Carte 13

    Question

    Aluminum (Al, Z=13) — neutral ground-state configuration

    Réponse

    [Ne] 3s² 3p¹

  14. Carte 14

    Question

    Silicon (Si, Z=14) — neutral ground-state configuration

    Réponse

    [Ne] 3s² 3p²

  15. Carte 15

    Question

    Phosphorus (P, Z=15) — neutral ground-state configuration

    Réponse

    [Ne] 3s² 3p³

  16. Carte 16

    Question

    Sulfur (S, Z=16) — neutral ground-state configuration

    Réponse

    [Ne] 3s² 3p⁴

  17. Carte 17

    Question

    Chlorine (Cl, Z=17) — neutral ground-state configuration

    Réponse

    [Ne] 3s² 3p⁵

  18. Carte 18

    Question

    Argon (Ar, Z=18) — neutral ground-state configuration

    Réponse

    [Ne] 3s² 3p⁶

  19. Carte 19

    Question

    Potassium (K, Z=19) — neutral ground-state configuration

    Réponse

    [Ar] 4s¹

  20. Carte 20

    Question

    Calcium (Ca, Z=20) — neutral ground-state configuration

    Réponse

    [Ar] 4s²

  21. Carte 21

    Question

    Scandium (Sc, Z=21) — neutral ground-state configuration

    Réponse

    [Ar] 3d¹ 4s²

  22. Carte 22

    Question

    Titanium (Ti, Z=22) — neutral ground-state configuration

    Réponse

    [Ar] 3d² 4s²

  23. Carte 23

    Question

    Vanadium (V, Z=23) — neutral ground-state configuration

    Réponse

    [Ar] 3d³ 4s²

  24. Carte 24

    Question

    Chromium (Cr, Z=24) — neutral ground-state configuration

    Réponse

    [Ar] 3d⁵ 4s¹

  25. Carte 25

    Question

    Manganese (Mn, Z=25) — neutral ground-state configuration

    Réponse

    [Ar] 3d⁵ 4s²

  26. Carte 26

    Question

    Iron (Fe, Z=26) — neutral ground-state configuration

    Réponse

    [Ar] 3d⁶ 4s²

  27. Carte 27

    Question

    Cobalt (Co, Z=27) — neutral ground-state configuration

    Réponse

    [Ar] 3d⁷ 4s²

  28. Carte 28

    Question

    Nickel (Ni, Z=28) — neutral ground-state configuration

    Réponse

    [Ar] 3d⁸ 4s²

  29. Carte 29

    Question

    Copper (Cu, Z=29) — neutral ground-state configuration

    Réponse

    [Ar] 3d¹⁰ 4s¹

  30. Carte 30

    Question

    Zinc (Zn, Z=30) — neutral ground-state configuration

    Réponse

    [Ar] 3d¹⁰ 4s²

  31. Carte 31

    Question

    Gallium (Ga, Z=31) — neutral ground-state configuration

    Réponse

    [Ar] 3d¹⁰ 4s² 4p¹

  32. Carte 32

    Question

    Neutral ground-state configuration: [Ar] 3d⁵ 4s¹

    Réponse

    Chromium (Cr, Z=24).

  33. Carte 33

    Question

    Germanium (Ge, Z=32) — neutral ground-state configuration

    Réponse

    [Ar] 3d¹⁰ 4s² 4p²

  34. Carte 34

    Question

    Arsenic (As, Z=33) — neutral ground-state configuration

    Réponse

    [Ar] 3d¹⁰ 4s² 4p³

  35. Carte 35

    Question

    Selenium (Se, Z=34) — neutral ground-state configuration

    Réponse

    [Ar] 3d¹⁰ 4s² 4p⁴

  36. Carte 36

    Question

    Bromine (Br, Z=35) — neutral ground-state configuration

    Réponse

    [Ar] 3d¹⁰ 4s² 4p⁵

  37. Carte 37

    Question

    Krypton (Kr, Z=36) — neutral ground-state configuration

    Réponse

    [Ar] 3d¹⁰ 4s² 4p⁶

  38. Carte 38

    Question

    Neutral ground-state configuration: [Ar] 3d¹⁰ 4s¹

    Réponse

    Copper (Cu, Z=29).

  39. Carte 39

    Question

    Rubidium (Rb, Z=37) — neutral ground-state configuration

    Réponse

    [Kr] 5s¹

  40. Carte 40

    Question

    Strontium (Sr, Z=38) — neutral ground-state configuration

    Réponse

    [Kr] 5s²

  41. Carte 41

    Question

    Yttrium (Y, Z=39) — neutral ground-state configuration

    Réponse

    [Kr] 4d¹ 5s²

  42. Carte 42

    Question

    Zirconium (Zr, Z=40) — neutral ground-state configuration

    Réponse

    [Kr] 4d² 5s²

  43. Carte 43

    Question

    Niobium (Nb, Z=41) — neutral ground-state configuration

    Réponse

    [Kr] 4d⁴ 5s¹

  44. Carte 44

    Question

    Molybdenum (Mo, Z=42) — neutral ground-state configuration

    Réponse

    [Kr] 4d⁵ 5s¹

  45. Carte 45

    Question

    Technetium (Tc, Z=43) — neutral ground-state configuration

    Réponse

    [Kr] 4d⁵ 5s²

  46. Carte 46

    Question

    Ruthenium (Ru, Z=44) — neutral ground-state configuration

    Réponse

    [Kr] 4d⁷ 5s¹

  47. Carte 47

    Question

    Rhodium (Rh, Z=45) — neutral ground-state configuration

    Réponse

    [Kr] 4d⁸ 5s¹

  48. Carte 48

    Question

    Palladium (Pd, Z=46) — neutral ground-state configuration

    Réponse

    [Kr] 4d¹⁰

  49. Carte 49

    Question

    Silver (Ag, Z=47) — neutral ground-state configuration

    Réponse

    [Kr] 4d¹⁰ 5s¹

  50. Carte 50

    Question

    Cadmium (Cd, Z=48) — neutral ground-state configuration

    Réponse

    [Kr] 4d¹⁰ 5s²

  51. Carte 51

    Question

    Indium (In, Z=49) — neutral ground-state configuration

    Réponse

    [Kr] 4d¹⁰ 5s² 5p¹

  52. Carte 52

    Question

    Tin (Sn, Z=50) — neutral ground-state configuration

    Réponse

    [Kr] 4d¹⁰ 5s² 5p²

  53. Carte 53

    Question

    Neutral ground-state configuration: [Kr] 4d⁴ 5s¹

    Réponse

    Niobium (Nb, Z=41).

  54. Carte 54

    Question

    Antimony (Sb, Z=51) — neutral ground-state configuration

    Réponse

    [Kr] 4d¹⁰ 5s² 5p³

  55. Carte 55

    Question

    Neutral ground-state configuration: [Kr] 4d⁵ 5s¹

    Réponse

    Molybdenum (Mo, Z=42).

  56. Carte 56

    Question

    Tellurium (Te, Z=52) — neutral ground-state configuration

    Réponse

    [Kr] 4d¹⁰ 5s² 5p⁴

  57. Carte 57

    Question

    Iodine (I, Z=53) — neutral ground-state configuration

    Réponse

    [Kr] 4d¹⁰ 5s² 5p⁵

  58. Carte 58

    Question

    Neutral ground-state configuration: [Kr] 4d⁷ 5s¹

    Réponse

    Ruthenium (Ru, Z=44).

  59. Carte 59

    Question

    Xenon (Xe, Z=54) — neutral ground-state configuration

    Réponse

    [Kr] 4d¹⁰ 5s² 5p⁶

  60. Carte 60

    Question

    Neutral ground-state configuration: [Kr] 4d⁸ 5s¹

    Réponse

    Rhodium (Rh, Z=45).

  61. Carte 61

    Question

    Cesium (Cs, Z=55) — neutral ground-state configuration

    Réponse

    [Xe] 6s¹

  62. Carte 62

    Question

    Barium (Ba, Z=56) — neutral ground-state configuration

    Réponse

    [Xe] 6s²

  63. Carte 63

    Question

    Neutral ground-state configuration: [Kr] 4d¹⁰

    Réponse

    Palladium (Pd, Z=46).

  64. Carte 64

    Question

    Lanthanum (La, Z=57) — neutral ground-state configuration

    Réponse

    [Xe] 5d¹ 6s²

  65. Carte 65

    Question

    Neutral ground-state configuration: [Kr] 4d¹⁰ 5s¹

    Réponse

    Silver (Ag, Z=47).

  66. Carte 66

    Question

    Cerium (Ce, Z=58) — neutral ground-state configuration

    Réponse

    [Xe] 4f¹ 5d¹ 6s²

    Abstract atom with layered orbital paths around a luminous nucleus on a deep blue background.

    131 cartes

    Electron Configuration Flashcards: All 118 Elements

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  67. Carte 67

    Question

    Praseodymium (Pr, Z=59) — neutral ground-state configuration

    Réponse

    [Xe] 4f³ 6s²

  68. Carte 68

    Question

    Neodymium (Nd, Z=60) — neutral ground-state configuration

    Réponse

    [Xe] 4f⁴ 6s²

  69. Carte 69

    Question

    Promethium (Pm, Z=61) — neutral ground-state configuration

    Réponse

    [Xe] 4f⁵ 6s²

  70. Carte 70

    Question

    Samarium (Sm, Z=62) — neutral ground-state configuration

    Réponse

    [Xe] 4f⁶ 6s²

  71. Carte 71

    Question

    Europium (Eu, Z=63) — neutral ground-state configuration

    Réponse

    [Xe] 4f⁷ 6s²

  72. Carte 72

    Question

    Gadolinium (Gd, Z=64) — neutral ground-state configuration

    Réponse

    [Xe] 4f⁷ 5d¹ 6s²

  73. Carte 73

    Question

    Terbium (Tb, Z=65) — neutral ground-state configuration

    Réponse

    [Xe] 4f⁹ 6s²

  74. Carte 74

    Question

    Dysprosium (Dy, Z=66) — neutral ground-state configuration

    Réponse

    [Xe] 4f¹⁰ 6s²

  75. Carte 75

    Question

    Neutral ground-state configuration: [Xe] 4f¹ 5d¹ 6s²

    Réponse

    Cerium (Ce, Z=58).

  76. Carte 76

    Question

    Holmium (Ho, Z=67) — neutral ground-state configuration

    Réponse

    [Xe] 4f¹¹ 6s²

  77. Carte 77

    Question

    Erbium (Er, Z=68) — neutral ground-state configuration

    Réponse

    [Xe] 4f¹² 6s²

  78. Carte 78

    Question

    Thulium (Tm, Z=69) — neutral ground-state configuration

    Réponse

    [Xe] 4f¹³ 6s²

  79. Carte 79

    Question

    Ytterbium (Yb, Z=70) — neutral ground-state configuration

    Réponse

    [Xe] 4f¹⁴ 6s²

  80. Carte 80

    Question

    Lutetium (Lu, Z=71) — neutral ground-state configuration

    Réponse

    [Xe] 4f¹⁴ 5d¹ 6s²

  81. Carte 81

    Question

    Neutral ground-state configuration: [Xe] 4f⁷ 5d¹ 6s²

    Réponse

    Gadolinium (Gd, Z=64).

  82. Carte 82

    Question

    Hafnium (Hf, Z=72) — neutral ground-state configuration

    Réponse

    [Xe] 4f¹⁴ 5d² 6s²

  83. Carte 83

    Question

    Tantalum (Ta, Z=73) — neutral ground-state configuration

    Réponse

    [Xe] 4f¹⁴ 5d³ 6s²

  84. Carte 84

    Question

    Tungsten (W, Z=74) — neutral ground-state configuration

    Réponse

    [Xe] 4f¹⁴ 5d⁴ 6s²

  85. Carte 85

    Question

    Rhenium (Re, Z=75) — neutral ground-state configuration

    Réponse

    [Xe] 4f¹⁴ 5d⁵ 6s²

  86. Carte 86

    Question

    Osmium (Os, Z=76) — neutral ground-state configuration

    Réponse

    [Xe] 4f¹⁴ 5d⁶ 6s²

  87. Carte 87

    Question

    Iridium (Ir, Z=77) — neutral ground-state configuration

    Réponse

    [Xe] 4f¹⁴ 5d⁷ 6s²

  88. Carte 88

    Question

    Platinum (Pt, Z=78) — neutral ground-state configuration

    Réponse

    [Xe] 4f¹⁴ 5d⁹ 6s¹

  89. Carte 89

    Question

    Gold (Au, Z=79) — neutral ground-state configuration

    Réponse

    [Xe] 4f¹⁴ 5d¹⁰ 6s¹

  90. Carte 90

    Question

    Mercury (Hg, Z=80) — neutral ground-state configuration

    Réponse

    [Xe] 4f¹⁴ 5d¹⁰ 6s²

  91. Carte 91

    Question

    Thallium (Tl, Z=81) — neutral ground-state configuration

    Réponse

    [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p¹

  92. Carte 92

    Question

    Lead (Pb, Z=82) — neutral ground-state configuration

    Réponse

    [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p²

  93. Carte 93

    Question

    Bismuth (Bi, Z=83) — neutral ground-state configuration

    Réponse

    [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p³

  94. Carte 94

    Question

    Polonium (Po, Z=84) — neutral ground-state configuration

    Réponse

    [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁴

  95. Carte 95

    Question

    Neutral ground-state configuration: [Xe] 4f¹⁴ 5d⁹ 6s¹

    Réponse

    Platinum (Pt, Z=78).

  96. Carte 96

    Question

    Astatine (At, Z=85) — neutral ground-state configuration

    Réponse

    [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁵

  97. Carte 97

    Question

    Radon (Rn, Z=86) — neutral ground-state configuration

    Réponse

    [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁶

  98. Carte 98

    Question

    Neutral ground-state configuration: [Xe] 4f¹⁴ 5d¹⁰ 6s¹

    Réponse

    Gold (Au, Z=79).

  99. Carte 99

    Question

    Francium (Fr, Z=87) — neutral ground-state configuration

    Réponse

    [Rn] 7s¹

  100. Carte 100

    Question

    Radium (Ra, Z=88) — neutral ground-state configuration

    Réponse

    [Rn] 7s²

  101. Carte 101

    Question

    Actinium (Ac, Z=89) — neutral ground-state configuration

    Réponse

    [Rn] 6d¹ 7s²

  102. Carte 102

    Question

    Thorium (Th, Z=90) — neutral ground-state configuration

    Réponse

    [Rn] 6d² 7s²

  103. Carte 103

    Question

    Protactinium (Pa, Z=91) — neutral ground-state configuration

    Réponse

    [Rn] 5f² 6d¹ 7s²

  104. Carte 104

    Question

    Uranium (U, Z=92) — neutral ground-state configuration

    Réponse

    [Rn] 5f³ 6d¹ 7s²

  105. Carte 105

    Question

    Neptunium (Np, Z=93) — neutral ground-state configuration

    Réponse

    [Rn] 5f⁴ 6d¹ 7s²

  106. Carte 106

    Question

    Plutonium (Pu, Z=94) — neutral ground-state configuration

    Réponse

    [Rn] 5f⁶ 7s²

  107. Carte 107

    Question

    Americium (Am, Z=95) — neutral ground-state configuration

    Réponse

    [Rn] 5f⁷ 7s²

  108. Carte 108

    Question

    Curium (Cm, Z=96) — neutral ground-state configuration

    Réponse

    [Rn] 5f⁷ 6d¹ 7s²

  109. Carte 109

    Question

    Berkelium (Bk, Z=97) — neutral ground-state configuration

    Réponse

    [Rn] 5f⁹ 7s²

  110. Carte 110

    Question

    Californium (Cf, Z=98) — neutral ground-state configuration

    Réponse

    [Rn] 5f¹⁰ 7s²

  111. Carte 111

    Question

    Einsteinium (Es, Z=99) — neutral ground-state configuration

    Réponse

    [Rn] 5f¹¹ 7s²

  112. Carte 112

    Question

    Fermium (Fm, Z=100) — neutral ground-state configuration

    Réponse

    [Rn] 5f¹² 7s²

  113. Carte 113

    Question

    Mendelevium (Md, Z=101) — neutral ground-state configuration

    Réponse

    [Rn] 5f¹³ 7s²

  114. Carte 114

    Question

    Nobelium (No, Z=102) — neutral ground-state configuration

    Réponse

    [Rn] 5f¹⁴ 7s²

  115. Carte 115

    Question

    Lawrencium (Lr, Z=103) — neutral ground-state configuration

    Réponse

    [Rn] 5f¹⁴ 7s² 7p¹ — NIST ASD.

  116. Carte 116

    Question

    Rutherfordium (Rf, Z=104) — neutral ground-state configuration

    Réponse

    [Rn] 5f¹⁴ 6d² 7s²

  117. Carte 117

    Question

    Neutral ground-state configuration: [Rn] 5f⁷ 6d¹ 7s²

    Réponse

    Curium (Cm, Z=96).

  118. Carte 118

    Question

    Dubnium (Db, Z=105) — neutral ground-state configuration

    Réponse

    [Rn] 5f¹⁴ 6d³ 7s²

  119. Carte 119

    Question

    Seaborgium (Sg, Z=106) — neutral ground-state configuration

    Réponse

    [Rn] 5f¹⁴ 6d⁴ 7s²

  120. Carte 120

    Question

    Bohrium (Bh, Z=107) — neutral ground-state configuration

    Réponse

    [Rn] 5f¹⁴ 6d⁵ 7s²

  121. Carte 121

    Question

    Hassium (Hs, Z=108) — neutral ground-state configuration

    Réponse

    [Rn] 5f¹⁴ 6d⁶ 7s²

  122. Carte 122

    Question

    Meitnerium (Mt, Z=109) — neutral ground-state configuration

    Réponse

    [Rn] 5f¹⁴ 6d⁷ 7s² — predicted by PubChem/LANL.

  123. Carte 123

    Question

    Darmstadtium (Ds, Z=110) — neutral ground-state configuration

    Réponse

    [Rn] 5f¹⁴ 6d⁸ 7s² — predicted by PubChem/LANL.

  124. Carte 124

    Question

    Roentgenium (Rg, Z=111) — neutral ground-state configuration

    Réponse

    [Rn] 5f¹⁴ 6d⁹ 7s² — predicted by PubChem/LANL.

  125. Carte 125

    Question

    Copernicium (Cn, Z=112) — neutral ground-state configuration

    Réponse

    [Rn] 5f¹⁴ 6d¹⁰ 7s² — predicted by PubChem/LANL.

  126. Carte 126

    Question

    Nihonium (Nh, Z=113) — neutral ground-state configuration

    Réponse

    [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p¹ — predicted by PubChem/LANL.

  127. Carte 127

    Question

    Flerovium (Fl, Z=114) — neutral ground-state configuration

    Réponse

    [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p² — predicted by PubChem/LANL.

  128. Carte 128

    Question

    Moscovium (Mc, Z=115) — neutral ground-state configuration

    Réponse

    [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p³ — predicted by PubChem/LANL.

  129. Carte 129

    Question

    Livermorium (Lv, Z=116) — neutral ground-state configuration

    Réponse

    [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁴ — predicted by PubChem/LANL.

  130. Carte 130

    Question

    Tennessine (Ts, Z=117) — neutral ground-state configuration

    Réponse

    [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁵ — predicted by PubChem/LANL.

  131. Carte 131

    Question

    Oganesson (Og, Z=118) — neutral ground-state configuration

    Réponse

    [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁶ — predicted by PubChem/LANL.

Abstract atom with layered orbital paths around a luminous nucleus on a deep blue background.

131 cartes

Electron Configuration Flashcards: All 118 Elements

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