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