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.
Sobre aquesta baralla
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
7p¹assignment.
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.
Targetes d'aquesta baralla
Targeta 1
Pregunta
Hydrogen (H, Z=1) — neutral ground-state configuration
Resposta
1s¹
Targeta 2
Pregunta
Helium (He, Z=2) — neutral ground-state configuration
Resposta
1s²
Targeta 3
Pregunta
Lithium (Li, Z=3) — neutral ground-state configuration
Resposta
[He] 2s¹
Targeta 4
Pregunta
Beryllium (Be, Z=4) — neutral ground-state configuration
Resposta
[He] 2s²
Targeta 5
Pregunta
Boron (B, Z=5) — neutral ground-state configuration
Resposta
[He] 2s² 2p¹
Targeta 6
Pregunta
Carbon (C, Z=6) — neutral ground-state configuration
Resposta
[He] 2s² 2p²
Targeta 7
Pregunta
Nitrogen (N, Z=7) — neutral ground-state configuration
Resposta
[He] 2s² 2p³
Targeta 8
Pregunta
Oxygen (O, Z=8) — neutral ground-state configuration
Resposta
[He] 2s² 2p⁴
Targeta 9
Pregunta
Fluorine (F, Z=9) — neutral ground-state configuration
Resposta
[He] 2s² 2p⁵
Targeta 10
Pregunta
Neon (Ne, Z=10) — neutral ground-state configuration
Resposta
[He] 2s² 2p⁶
Targeta 11
Pregunta
Sodium (Na, Z=11) — neutral ground-state configuration
Resposta
[Ne] 3s¹
Targeta 12
Pregunta
Magnesium (Mg, Z=12) — neutral ground-state configuration
Resposta
[Ne] 3s²
Targeta 13
Pregunta
Aluminum (Al, Z=13) — neutral ground-state configuration
Resposta
[Ne] 3s² 3p¹
Targeta 14
Pregunta
Silicon (Si, Z=14) — neutral ground-state configuration
Resposta
[Ne] 3s² 3p²
Targeta 15
Pregunta
Phosphorus (P, Z=15) — neutral ground-state configuration
Resposta
[Ne] 3s² 3p³
Targeta 16
Pregunta
Sulfur (S, Z=16) — neutral ground-state configuration
Resposta
[Ne] 3s² 3p⁴
Targeta 17
Pregunta
Chlorine (Cl, Z=17) — neutral ground-state configuration
Resposta
[Ne] 3s² 3p⁵
Targeta 18
Pregunta
Argon (Ar, Z=18) — neutral ground-state configuration
Resposta
[Ne] 3s² 3p⁶
Targeta 19
Pregunta
Potassium (K, Z=19) — neutral ground-state configuration
Resposta
[Ar] 4s¹
Targeta 20
Pregunta
Calcium (Ca, Z=20) — neutral ground-state configuration
Resposta
[Ar] 4s²
Targeta 21
Pregunta
Scandium (Sc, Z=21) — neutral ground-state configuration
Resposta
[Ar] 3d¹ 4s²
Targeta 22
Pregunta
Titanium (Ti, Z=22) — neutral ground-state configuration
Resposta
[Ar] 3d² 4s²
Targeta 23
Pregunta
Vanadium (V, Z=23) — neutral ground-state configuration
Resposta
[Ar] 3d³ 4s²
Targeta 24
Pregunta
Chromium (Cr, Z=24) — neutral ground-state configuration
Resposta
[Ar] 3d⁵ 4s¹
Targeta 25
Pregunta
Manganese (Mn, Z=25) — neutral ground-state configuration
Resposta
[Ar] 3d⁵ 4s²
Targeta 26
Pregunta
Iron (Fe, Z=26) — neutral ground-state configuration
Resposta
[Ar] 3d⁶ 4s²
Targeta 27
Pregunta
Cobalt (Co, Z=27) — neutral ground-state configuration
Resposta
[Ar] 3d⁷ 4s²
Targeta 28
Pregunta
Nickel (Ni, Z=28) — neutral ground-state configuration
Resposta
[Ar] 3d⁸ 4s²
Targeta 29
Pregunta
Copper (Cu, Z=29) — neutral ground-state configuration
Resposta
[Ar] 3d¹⁰ 4s¹
Targeta 30
Pregunta
Zinc (Zn, Z=30) — neutral ground-state configuration
Resposta
[Ar] 3d¹⁰ 4s²
Targeta 31
Pregunta
Gallium (Ga, Z=31) — neutral ground-state configuration
Resposta
[Ar] 3d¹⁰ 4s² 4p¹
Targeta 32
Pregunta
Neutral ground-state configuration: [Ar] 3d⁵ 4s¹
Resposta
Chromium (Cr, Z=24).
Targeta 33
Pregunta
Germanium (Ge, Z=32) — neutral ground-state configuration
Resposta
[Ar] 3d¹⁰ 4s² 4p²
Targeta 34
Pregunta
Arsenic (As, Z=33) — neutral ground-state configuration
Resposta
[Ar] 3d¹⁰ 4s² 4p³
Targeta 35
Pregunta
Selenium (Se, Z=34) — neutral ground-state configuration
Resposta
[Ar] 3d¹⁰ 4s² 4p⁴
Targeta 36
Pregunta
Bromine (Br, Z=35) — neutral ground-state configuration
Resposta
[Ar] 3d¹⁰ 4s² 4p⁵
Targeta 37
Pregunta
Krypton (Kr, Z=36) — neutral ground-state configuration
Resposta
[Ar] 3d¹⁰ 4s² 4p⁶
Targeta 38
Pregunta
Neutral ground-state configuration: [Ar] 3d¹⁰ 4s¹
Resposta
Copper (Cu, Z=29).
Targeta 39
Pregunta
Rubidium (Rb, Z=37) — neutral ground-state configuration
Resposta
[Kr] 5s¹
Targeta 40
Pregunta
Strontium (Sr, Z=38) — neutral ground-state configuration
Resposta
[Kr] 5s²
Targeta 41
Pregunta
Yttrium (Y, Z=39) — neutral ground-state configuration
Resposta
[Kr] 4d¹ 5s²
Targeta 42
Pregunta
Zirconium (Zr, Z=40) — neutral ground-state configuration
Resposta
[Kr] 4d² 5s²
Targeta 43
Pregunta
Niobium (Nb, Z=41) — neutral ground-state configuration
Resposta
[Kr] 4d⁴ 5s¹
Targeta 44
Pregunta
Molybdenum (Mo, Z=42) — neutral ground-state configuration
Resposta
[Kr] 4d⁵ 5s¹
Targeta 45
Pregunta
Technetium (Tc, Z=43) — neutral ground-state configuration
Resposta
[Kr] 4d⁵ 5s²
Targeta 46
Pregunta
Ruthenium (Ru, Z=44) — neutral ground-state configuration
Resposta
[Kr] 4d⁷ 5s¹
Targeta 47
Pregunta
Rhodium (Rh, Z=45) — neutral ground-state configuration
Resposta
[Kr] 4d⁸ 5s¹
Targeta 48
Pregunta
Palladium (Pd, Z=46) — neutral ground-state configuration
Resposta
[Kr] 4d¹⁰
Targeta 49
Pregunta
Silver (Ag, Z=47) — neutral ground-state configuration
Resposta
[Kr] 4d¹⁰ 5s¹
Targeta 50
Pregunta
Cadmium (Cd, Z=48) — neutral ground-state configuration
Resposta
[Kr] 4d¹⁰ 5s²
Targeta 51
Pregunta
Indium (In, Z=49) — neutral ground-state configuration
Resposta
[Kr] 4d¹⁰ 5s² 5p¹
Targeta 52
Pregunta
Tin (Sn, Z=50) — neutral ground-state configuration
Resposta
[Kr] 4d¹⁰ 5s² 5p²
Targeta 53
Pregunta
Neutral ground-state configuration: [Kr] 4d⁴ 5s¹
Resposta
Niobium (Nb, Z=41).
Targeta 54
Pregunta
Antimony (Sb, Z=51) — neutral ground-state configuration
Resposta
[Kr] 4d¹⁰ 5s² 5p³
Targeta 55
Pregunta
Neutral ground-state configuration: [Kr] 4d⁵ 5s¹
Resposta
Molybdenum (Mo, Z=42).
Targeta 56
Pregunta
Tellurium (Te, Z=52) — neutral ground-state configuration
Resposta
[Kr] 4d¹⁰ 5s² 5p⁴
Targeta 57
Pregunta
Iodine (I, Z=53) — neutral ground-state configuration
Resposta
[Kr] 4d¹⁰ 5s² 5p⁵
Targeta 58
Pregunta
Neutral ground-state configuration: [Kr] 4d⁷ 5s¹
Resposta
Ruthenium (Ru, Z=44).
Targeta 59
Pregunta
Xenon (Xe, Z=54) — neutral ground-state configuration
Resposta
[Kr] 4d¹⁰ 5s² 5p⁶
Targeta 60
Pregunta
Neutral ground-state configuration: [Kr] 4d⁸ 5s¹
Resposta
Rhodium (Rh, Z=45).
Targeta 61
Pregunta
Cesium (Cs, Z=55) — neutral ground-state configuration
Resposta
[Xe] 6s¹
Targeta 62
Pregunta
Barium (Ba, Z=56) — neutral ground-state configuration
Resposta
[Xe] 6s²
Targeta 63
Pregunta
Neutral ground-state configuration: [Kr] 4d¹⁰
Resposta
Palladium (Pd, Z=46).
Targeta 64
Pregunta
Lanthanum (La, Z=57) — neutral ground-state configuration
Resposta
[Xe] 5d¹ 6s²
Targeta 65
Pregunta
Neutral ground-state configuration: [Kr] 4d¹⁰ 5s¹
Resposta
Silver (Ag, Z=47).
Targeta 66
Pregunta
Cerium (Ce, Z=58) — neutral ground-state configuration
Resposta
[Xe] 4f¹ 5d¹ 6s²
131 targetes
Electron Configuration Flashcards: All 118 Elements
Estudia aquesta baralla de francNibomo s'obre perquè puguis començar a estudiar.
Targeta 67
Pregunta
Praseodymium (Pr, Z=59) — neutral ground-state configuration
Resposta
[Xe] 4f³ 6s²
Targeta 68
Pregunta
Neodymium (Nd, Z=60) — neutral ground-state configuration
Resposta
[Xe] 4f⁴ 6s²
Targeta 69
Pregunta
Promethium (Pm, Z=61) — neutral ground-state configuration
Resposta
[Xe] 4f⁵ 6s²
Targeta 70
Pregunta
Samarium (Sm, Z=62) — neutral ground-state configuration
Resposta
[Xe] 4f⁶ 6s²
Targeta 71
Pregunta
Europium (Eu, Z=63) — neutral ground-state configuration
Resposta
[Xe] 4f⁷ 6s²
Targeta 72
Pregunta
Gadolinium (Gd, Z=64) — neutral ground-state configuration
Resposta
[Xe] 4f⁷ 5d¹ 6s²
Targeta 73
Pregunta
Terbium (Tb, Z=65) — neutral ground-state configuration
Resposta
[Xe] 4f⁹ 6s²
Targeta 74
Pregunta
Dysprosium (Dy, Z=66) — neutral ground-state configuration
Resposta
[Xe] 4f¹⁰ 6s²
Targeta 75
Pregunta
Neutral ground-state configuration: [Xe] 4f¹ 5d¹ 6s²
Resposta
Cerium (Ce, Z=58).
Targeta 76
Pregunta
Holmium (Ho, Z=67) — neutral ground-state configuration
Resposta
[Xe] 4f¹¹ 6s²
Targeta 77
Pregunta
Erbium (Er, Z=68) — neutral ground-state configuration
Resposta
[Xe] 4f¹² 6s²
Targeta 78
Pregunta
Thulium (Tm, Z=69) — neutral ground-state configuration
Resposta
[Xe] 4f¹³ 6s²
Targeta 79
Pregunta
Ytterbium (Yb, Z=70) — neutral ground-state configuration
Resposta
[Xe] 4f¹⁴ 6s²
Targeta 80
Pregunta
Lutetium (Lu, Z=71) — neutral ground-state configuration
Resposta
[Xe] 4f¹⁴ 5d¹ 6s²
Targeta 81
Pregunta
Neutral ground-state configuration: [Xe] 4f⁷ 5d¹ 6s²
Resposta
Gadolinium (Gd, Z=64).
Targeta 82
Pregunta
Hafnium (Hf, Z=72) — neutral ground-state configuration
Resposta
[Xe] 4f¹⁴ 5d² 6s²
Targeta 83
Pregunta
Tantalum (Ta, Z=73) — neutral ground-state configuration
Resposta
[Xe] 4f¹⁴ 5d³ 6s²
Targeta 84
Pregunta
Tungsten (W, Z=74) — neutral ground-state configuration
Resposta
[Xe] 4f¹⁴ 5d⁴ 6s²
Targeta 85
Pregunta
Rhenium (Re, Z=75) — neutral ground-state configuration
Resposta
[Xe] 4f¹⁴ 5d⁵ 6s²
Targeta 86
Pregunta
Osmium (Os, Z=76) — neutral ground-state configuration
Resposta
[Xe] 4f¹⁴ 5d⁶ 6s²
Targeta 87
Pregunta
Iridium (Ir, Z=77) — neutral ground-state configuration
Resposta
[Xe] 4f¹⁴ 5d⁷ 6s²
Targeta 88
Pregunta
Platinum (Pt, Z=78) — neutral ground-state configuration
Resposta
[Xe] 4f¹⁴ 5d⁹ 6s¹
Targeta 89
Pregunta
Gold (Au, Z=79) — neutral ground-state configuration
Resposta
[Xe] 4f¹⁴ 5d¹⁰ 6s¹
Targeta 90
Pregunta
Mercury (Hg, Z=80) — neutral ground-state configuration
Resposta
[Xe] 4f¹⁴ 5d¹⁰ 6s²
Targeta 91
Pregunta
Thallium (Tl, Z=81) — neutral ground-state configuration
Resposta
[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p¹
Targeta 92
Pregunta
Lead (Pb, Z=82) — neutral ground-state configuration
Resposta
[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p²
Targeta 93
Pregunta
Bismuth (Bi, Z=83) — neutral ground-state configuration
Resposta
[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p³
Targeta 94
Pregunta
Polonium (Po, Z=84) — neutral ground-state configuration
Resposta
[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁴
Targeta 95
Pregunta
Neutral ground-state configuration: [Xe] 4f¹⁴ 5d⁹ 6s¹
Resposta
Platinum (Pt, Z=78).
Targeta 96
Pregunta
Astatine (At, Z=85) — neutral ground-state configuration
Resposta
[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁵
Targeta 97
Pregunta
Radon (Rn, Z=86) — neutral ground-state configuration
Resposta
[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁶
Targeta 98
Pregunta
Neutral ground-state configuration: [Xe] 4f¹⁴ 5d¹⁰ 6s¹
Resposta
Gold (Au, Z=79).
Targeta 99
Pregunta
Francium (Fr, Z=87) — neutral ground-state configuration
Resposta
[Rn] 7s¹
Targeta 100
Pregunta
Radium (Ra, Z=88) — neutral ground-state configuration
Resposta
[Rn] 7s²
Targeta 101
Pregunta
Actinium (Ac, Z=89) — neutral ground-state configuration
Resposta
[Rn] 6d¹ 7s²
Targeta 102
Pregunta
Thorium (Th, Z=90) — neutral ground-state configuration
Resposta
[Rn] 6d² 7s²
Targeta 103
Pregunta
Protactinium (Pa, Z=91) — neutral ground-state configuration
Resposta
[Rn] 5f² 6d¹ 7s²
Targeta 104
Pregunta
Uranium (U, Z=92) — neutral ground-state configuration
Resposta
[Rn] 5f³ 6d¹ 7s²
Targeta 105
Pregunta
Neptunium (Np, Z=93) — neutral ground-state configuration
Resposta
[Rn] 5f⁴ 6d¹ 7s²
Targeta 106
Pregunta
Plutonium (Pu, Z=94) — neutral ground-state configuration
Resposta
[Rn] 5f⁶ 7s²
Targeta 107
Pregunta
Americium (Am, Z=95) — neutral ground-state configuration
Resposta
[Rn] 5f⁷ 7s²
Targeta 108
Pregunta
Curium (Cm, Z=96) — neutral ground-state configuration
Resposta
[Rn] 5f⁷ 6d¹ 7s²
Targeta 109
Pregunta
Berkelium (Bk, Z=97) — neutral ground-state configuration
Resposta
[Rn] 5f⁹ 7s²
Targeta 110
Pregunta
Californium (Cf, Z=98) — neutral ground-state configuration
Resposta
[Rn] 5f¹⁰ 7s²
Targeta 111
Pregunta
Einsteinium (Es, Z=99) — neutral ground-state configuration
Resposta
[Rn] 5f¹¹ 7s²
Targeta 112
Pregunta
Fermium (Fm, Z=100) — neutral ground-state configuration
Resposta
[Rn] 5f¹² 7s²
Targeta 113
Pregunta
Mendelevium (Md, Z=101) — neutral ground-state configuration
Resposta
[Rn] 5f¹³ 7s²
Targeta 114
Pregunta
Nobelium (No, Z=102) — neutral ground-state configuration
Resposta
[Rn] 5f¹⁴ 7s²
Targeta 115
Pregunta
Lawrencium (Lr, Z=103) — neutral ground-state configuration
Resposta
[Rn] 5f¹⁴ 7s² 7p¹ — NIST ASD.
Targeta 116
Pregunta
Rutherfordium (Rf, Z=104) — neutral ground-state configuration
Resposta
[Rn] 5f¹⁴ 6d² 7s²
Targeta 117
Pregunta
Neutral ground-state configuration: [Rn] 5f⁷ 6d¹ 7s²
Resposta
Curium (Cm, Z=96).
Targeta 118
Pregunta
Dubnium (Db, Z=105) — neutral ground-state configuration
Resposta
[Rn] 5f¹⁴ 6d³ 7s²
Targeta 119
Pregunta
Seaborgium (Sg, Z=106) — neutral ground-state configuration
Resposta
[Rn] 5f¹⁴ 6d⁴ 7s²
Targeta 120
Pregunta
Bohrium (Bh, Z=107) — neutral ground-state configuration
Resposta
[Rn] 5f¹⁴ 6d⁵ 7s²
Targeta 121
Pregunta
Hassium (Hs, Z=108) — neutral ground-state configuration
Resposta
[Rn] 5f¹⁴ 6d⁶ 7s²
Targeta 122
Pregunta
Meitnerium (Mt, Z=109) — neutral ground-state configuration
Resposta
[Rn] 5f¹⁴ 6d⁷ 7s² — predicted by PubChem/LANL.
Targeta 123
Pregunta
Darmstadtium (Ds, Z=110) — neutral ground-state configuration
Resposta
[Rn] 5f¹⁴ 6d⁸ 7s² — predicted by PubChem/LANL.
Targeta 124
Pregunta
Roentgenium (Rg, Z=111) — neutral ground-state configuration
Resposta
[Rn] 5f¹⁴ 6d⁹ 7s² — predicted by PubChem/LANL.
Targeta 125
Pregunta
Copernicium (Cn, Z=112) — neutral ground-state configuration
Resposta
[Rn] 5f¹⁴ 6d¹⁰ 7s² — predicted by PubChem/LANL.
Targeta 126
Pregunta
Nihonium (Nh, Z=113) — neutral ground-state configuration
Resposta
[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p¹ — predicted by PubChem/LANL.
Targeta 127
Pregunta
Flerovium (Fl, Z=114) — neutral ground-state configuration
Resposta
[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p² — predicted by PubChem/LANL.
Targeta 128
Pregunta
Moscovium (Mc, Z=115) — neutral ground-state configuration
Resposta
[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p³ — predicted by PubChem/LANL.
Targeta 129
Pregunta
Livermorium (Lv, Z=116) — neutral ground-state configuration
Resposta
[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁴ — predicted by PubChem/LANL.
Targeta 130
Pregunta
Tennessine (Ts, Z=117) — neutral ground-state configuration
Resposta
[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁵ — predicted by PubChem/LANL.
Targeta 131
Pregunta
Oganesson (Og, Z=118) — neutral ground-state configuration
Resposta
[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁶ — predicted by PubChem/LANL.
131 targetes
Electron Configuration Flashcards: All 118 Elements
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