electron configuration
other exceptions to madelung's rule
Table:
Electron shells filled in violation of Madelung's rule[20] (red)

Period 4

Period 5

Period 6

Period 7

Element
Z
Electron Configuration

Element
Z
Electron Configuration

Element
Z
Electron Configuration

Element
Z
Electron Configuration

Lanthanum
57
[Xe] 6s2 5d1

Actinium
89
[Rn] 7s2 6d1

Cerium
58
[Xe] 6s2 4f1 5d1

Thorium
90
[Rn] 7s2 6d2

Praseodymium
59
[Xe] 6s2 4f3

Protactinium
91
[Rn] 7s2 5f2 6d1

Neodymium
60
[Xe] 6s2 4f4

Uranium
92
[Rn] 7s2 5f3 6d1

Promethium
61
[Xe] 6s2 4f5

Neptunium
93
[Rn] 7s2 5f4 6d1

Samarium
62
[Xe] 6s2 4f6

Plutonium
94
[Rn] 7s2 5f6

Europium
63
[Xe] 6s2 4f7

Americium
95
[Rn] 7s2 5f7

Gadolinium
64
[Xe] 6s2 4f7 5d1

Curium
96
[Rn] 7s2 5f7 6d1

Terbium
65
[Xe] 6s2 4f9

Berkelium
97
[Rn] 7s2 5f9

Scandium
21
[Ar] 4s2 3d1

Yttrium
39
[Kr] 5s2 4d1

Lutetium
71
[Xe] 6s2 4f14 5d1

Lawrencium
103
[Rn] 7s2 5f14 7p1

Titanium
22
[Ar] 4s2 3d2

Zirconium
40
[Kr] 5s2 4d2

Hafnium
72
[Xe] 6s2 4f14 5d2

Rutherfordium
104
[Rn] 7s2 5f14 6d2

Vanadium
23
[Ar] 4s2 3d3

Niobium
41
[Kr] 5s1 4d4

Tantalum
73
[Xe] 6s2 4f14 5d3

Chromium
24
[Ar] 4s1 3d5

Molybdenum
42
[Kr] 5s1 4d5

Tungsten
74
[Xe] 6s2 4f14 5d4

Manganese
25
[Ar] 4s2 3d5

Technetium
43
[Kr] 5s2 4d5

Rhenium
75
[Xe] 6s2 4f14 5d5

Iron
26
[Ar] 4s2 3d6

Ruthenium
44
[Kr] 5s1 4d7

Osmium
76
[Xe] 6s2 4f14 5d6

Cobalt
27
[Ar] 4s2 3d7

Rhodium
45
[Kr] 5s1 4d8

Iridium
77

[Xe] 6s2 4f14 5d7

Nickel
28
[Ar] 4s2 3d8 or
[Ar] 4s1 3d9 (disputed)[21]

Palladium
46
[Kr] 4d10

Platinum
78
[Xe] 6s1 4f14 5d9

Copper
29
[Ar] 4s1 3d10

Silver
47
[Kr] 5s1 4d10

Gold
79
[Xe] 6s1 4f14 5d10

Zinc
30
[Ar] 4s2 3d10

Cadmium
48
[Kr] 5s2 4d10

Mercury
80
[Xe] 6s2 4f14 5d10

In the table of the article 'electron configuration' – see 'other exceptions to madelung's rule' on Wikipedia, assign the correct type(s) to the highlighted column from the following candidates: location.uk_constituent_country, sports.sports_championship, people.person, music.artist, location.australian_state, chemistry.chemical_element, geography.river, computer.software_license, meteorology.tropical_cyclone, organization.non_profit_organization, business.product_category, food.food, royalty.noble_person, location.in_state, book.book, astronomy.asteroid, visual_art.visual_artist, tv.tv_producer, sports.sports_facility, sports.sports_team, architecture.venue, education.fraternity_sorority, tv.tv_network, internet.website, broadcast.radio_station, interests.collection_category, geography.body_of_water, music.composition, fictional_universe.fictional_character, cvg.cvg_developer, music.record_label, comic_books.comic_book_character, education.school, location.country, broadcast.tv_station, amusement_parks.ride, biology.animal, law.invention, royalty.noble_title, business.brand, location.hud_county_place, location.administrative_division, book.periodical, soccer.football_award, sports.golfer, law.legal_case, film.actor, tv.tv_character, government.political_party, finance.currency, aviation.aircraft_model, language.human_language, government.governmental_body, business.job_title, business.industry, baseball.baseball_team, education.educational_institution, music.genre, religion.religion, film.music_contributor, location.us_county, film.film_festival_focus, sports.professional_sports_team, education.field_of_study, location.region, sports.multi_event_tournament, rail.locomotive_class, biology.organism, soccer.football_position, time.recurring_event, government.government_agency, baseball.baseball_position, sports.sports_championship_event, award.award_ceremony, location.jp_prefecture, astronomy.astronomical_discovery, astronomy.star_system_body, film.production_company, medicine.anatomical_structure, music.group_member, astronomy.orbital_relationship, metropolitan_transit.transit_stop, automotive.model, broadcast.genre, government.general_election, music.musical_group, military.military_conflict, tv.tv_series_episode, tv.tv_program_creator, american_football.football_player, architecture.structure, film.director, chess.chess_player, royalty.kingdom, protected_sites.listed_site, travel.accommodation, broadcast.broadcast, film.producer, geography.mountain, media_common.media_genre, ice_hockey.hockey_player, boats.ship_class, tv.tv_writer, military.rank, location.us_state, aviation.airline, government.election_campaign, music.composer, spaceflight.astronaut, celebrities.celebrity, basketball.basketball_position, american_football.football_team, basketball.basketball_coach, location.province, music.album, law.court, award.award, music.music_video_director, film.film_distributor, location.citytown, soccer.football_team, cricket.cricket_stadium, location.uk_statistical_location, tv.tv_personality, soccer.football_world_cup, sports.pro_athlete, basketball.basketball_conference, award.competition, time.event, book.written_work, soccer.football_team_manager, business.consumer_company, education.athletics_brand, cricket.cricket_player, book.periodical_subject, medicine.muscle, music.writer, astronomy.constellation, metropolitan_transit.transit_line, automotive.company, cvg.computer_videogame, sports.tournament_event_competition, military.military_person, location.capital_of_administrative_division, government.government_office_or_title, cvg.cvg_publisher, geography.island, soccer.football_league_season, architecture.architectural_structure_owner, film.film_character, soccer.football_league, cvg.cvg_platform, aviation.aircraft_owner, chemistry.chemical_compound, basketball.basketball_team, american_football.football_conference, people.ethnicity, olympics.olympic_games, business.business_operation, religion.religious_leader, soccer.fifa, film.writer, government.legislative_session, sports.sports_league_season, book.author, music.performance_role, people.family_member, government.us_president, military.military_unit, music.media_format, royalty.chivalric_order_member, boats.ship, film.film_genre, location.australian_local_government_area, cricket.cricket_bowler, baseball.baseball_league, astronomy.celestial_object, sports.sports_award_type, music.lyricist, business.consumer_product, medicine.disease, computer.computer, government.politician, aviation.airport, education.educational_degree, film.film, tv.tv_program, music.musical_scale, sports.sport, tennis.tennis_player, martial_arts.martial_artist, ice_hockey.hockey_position, sports.sports_award_winner, royalty.monarch, american_football.football_coach, education.university, tv.tv_director, architecture.building, internet.website_owner, baseball.baseball_player, exhibitions.exhibition_sponsor, meteorology.tropical_cyclone_season, fictional_universe.fictional_organization, broadcast.artist, award.award_presenting_organization, government.u_s_congressperson, location.location, location.in_district, broadcast.tv_channel, sports.cyclist, sports.sports_position, transportation.road, business.defunct_company, sports.school_sports_team, award.award_category, music.producer, military.armed_force, cricket.cricket_team, book.magazine, award.recurring_competition, medicine.drug, award.hall_of_fame_inductee, military.military_post, basketball.basketball_player, boats.ship_type, tennis.tennis_tournament_champion, medicine.drug_ingredient, government.election, tv.tv_series_season, business.customer, theater.play, sports.sports_league_draft, broadcast.radio_format, sports.sports_league, book.newspaper, soccer.football_player, olympics.olympic_event_competition, tv.tv_actor, metropolitan_transit.transit_system, theater.theater_actor, ice_hockey.hockey_team, tennis.tennis_tournament, organization.membership_organization, computer.software, tv.tv_genre, organization.organization, award.award_discipline, biology.organism_classification, medicine.medical_treatment, amusement_parks.park, sports.boxer, book.periodical_publisher, music.instrument, computer.operating_system, cvg.cvg_genre. Return the selected type name(s) only, comma-separated when necessary, in the list of this JSON object {"answer": ["ANSWER"]}.

{"answer": ["chemistry.chemical_element"]}