View source for Template:Periodic table (left step)

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<div style="background:{{element color|table title}}; padding:2px 4px;font-weight:bold; text-align:center;">{{#invoke:navbar|navbar|collapsible=1|Left-step periodic table (by Charles Janet)}}</div><!--

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{| style="border-spacing:1px;display:block;overflow:auto;width:100%; text-align:center;border-collapse:separate!important;margin:0 0 0.5em 0!important;"
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|-
| style="text-align:right; padding-right:2px;" | {{inline block|bg={{element color|s-block}}|1s}}
| colspan=30 |
| style="background:{{element color|s-block}}"|[[Chemistry:Hydrogen|H]]
| style="background:{{element color|s-block}}"|[[Chemistry:Helium|He]]
|-
| style="text-align:right; padding-right:2px;" | {{inline block|bg={{element color|s-block}}|2s}}
| colspan=30 |
| style="background:{{element color|s-block}}"|[[Chemistry:Lithium|Li]]
| style="background:{{element color|s-block}}"|[[Chemistry:Beryllium|Be]]
|-
| style="text-align:right; padding-right:2px;" | {{inline block|bg={{element color|p-block}}|2p}} {{inline block|bg={{element color|s-block}}|3s}}
| colspan=24 |
|style="background:{{element color|p-block}}"|[[Chemistry:Boron|B]]
|style="background:{{element color|p-block}}"|[[Chemistry:Carbon|C]]
|style="background:{{element color|p-block}}"|[[Chemistry:Nitrogen|N]]
|style="background:{{element color|p-block}}"|[[Chemistry:Oxygen|O]]
|style="background:{{element color|p-block}}"|[[Chemistry:Fluorine|F]]
|style="background:{{element color|p-block}}"|[[Chemistry:Neon|Ne]]
|style="background:{{element color|s-block}}"|[[Chemistry:Sodium|Na]]
|style="background:{{element color|s-block}}"|[[Chemistry:Magnesium|Mg]]
|-
| style="text-align:right; padding-right:2px;" | {{inline block|bg={{element color|p-block}}|3p}} {{inline block|bg={{element color|s-block}}|4s}}
| colspan=24 |
|style="background:{{element color|p-block}}"|[[Chemistry:Aluminium|Al]]
|style="background:{{element color|p-block}}"|[[Chemistry:Silicon|Si]]
|style="background:{{element color|p-block}}"|[[Chemistry:Phosphorus|P]]
|style="background:{{element color|p-block}}"|[[Chemistry:Sulfur|S]]
|style="background:{{element color|p-block}}"|[[Chemistry:Chlorine|Cl]]
|style="background:{{element color|p-block}}"|[[Chemistry:Argon|Ar]]
|style="background:{{element color|s-block}}"|[[Chemistry:Potassium|K]]
|style="background:{{element color|s-block}}"|[[Chemistry:Calcium|Ca]]
|-
| style="text-align:right; padding-right:2px;" | {{inline block|bg={{element color|d-block}}|3d}} {{inline block|bg={{element color|p-block}}|4p}} {{inline block|bg={{element color|s-block}}|5s}}
| colspan=14 |
|style="background:{{element color|d-block}}"|[[Chemistry:Scandium|Sc]]
|style="background:{{element color|d-block}}"|[[Chemistry:Titanium|Ti]]
|style="background:{{element color|d-block}}"|[[Chemistry:Vanadium|V]]
|style="background:{{element color|d-block}}"|[[Chemistry:Chromium|Cr]]
|style="background:{{element color|d-block}}"|[[Chemistry:Manganese|Mn]]
|style="background:{{element color|d-block}}"|[[Chemistry:Iron|Fe]]
|style="background:{{element color|d-block}}"|[[Chemistry:Cobalt|Co]]
|style="background:{{element color|d-block}}"|[[Chemistry:Nickel|Ni]]
|style="background:{{element color|d-block}}"|[[Chemistry:Copper|Cu]]
|style="background:{{element color|d-block}}"|[[Chemistry:Zinc|Zn]]
|style="background:{{element color|p-block}}"|[[Chemistry:Gallium|Ga]]
|style="background:{{element color|p-block}}"|[[Chemistry:Germanium|Ge]]
|style="background:{{element color|p-block}}"|[[Chemistry:Arsenic|As]]
|style="background:{{element color|p-block}}"|[[Chemistry:Selenium|Se]]
|style="background:{{element color|p-block}}"|[[Chemistry:Bromine|Br]]
|style="background:{{element color|p-block}}"|[[Chemistry:Krypton|Kr]]
|style="background:{{element color|s-block}}"|[[Chemistry:Rubidium|Rb]]
|style="background:{{element color|s-block}}"|[[Chemistry:Strontium|Sr]]
|-
| style="text-align:right; padding-right:2px;" | {{inline block|bg={{element color|d-block}}|4d}} {{inline block|bg={{element color|p-block}}|5p}} {{inline block|bg={{element color|s-block}}|6s}}
| colspan=14 |
|style="background:{{element color|d-block}}"|[[Chemistry:Yttrium|Y]]
|style="background:{{element color|d-block}}"|[[Chemistry:Zirconium|Zr]]
|style="background:{{element color|d-block}}"|[[Chemistry:Niobium|Nb]]
|style="background:{{element color|d-block}}"|[[Chemistry:Molybdenum|Mo]]
|style="background:{{element color|d-block}}"|[[Chemistry:Technetium|Tc]]
|style="background:{{element color|d-block}}"|[[Chemistry:Ruthenium|Ru]]
|style="background:{{element color|d-block}}"|[[Chemistry:Rhodium|Rh]]
|style="background:{{element color|d-block}}"|[[Chemistry:Palladium|Pd]]
|style="background:{{element color|d-block}}"|[[Chemistry:Silver|Ag]]
|style="background:{{element color|d-block}}"|[[Chemistry:Cadmium|Cd]]
|style="background:{{element color|p-block}}"|[[Chemistry:Indium|In]]
|style="background:{{element color|p-block}}"|[[Chemistry:Tin|Sn]]
|style="background:{{element color|p-block}}"|[[Chemistry:Antimony|Sb]]
|style="background:{{element color|p-block}}"|[[Chemistry:Tellurium|Te]]
|style="background:{{element color|p-block}}"|[[Chemistry:Iodine|&thinsp;I&thinsp;]]
|style="background:{{element color|p-block}}"|[[Chemistry:Xenon|Xe]]
|style="background:{{element color|s-block}}"|[[Chemistry:Caesium|Cs]]
|style="background:{{element color|s-block}}"|[[Chemistry:Barium|Ba]]
|- <!-- All column widths are set in this (almost complete) row -->
| width="3.04%" style="text-align:right; padding-right:2px;" | {{nowrap|{{inline block|bg={{element color|f-block}}|4f}} {{inline block|bg={{element color|d-block}}|5d}} {{inline block|bg={{element color|p-block}}|6p}} {{inline block|bg={{element color|s-block}}|7s}}}}
| width="3.03%" style="background:{{element color|f-block}}"|[[Chemistry:Lanthanum|La]]
| width="3.03%" style="background:{{element color|f-block}}"|[[Chemistry:Cerium|Ce]]
| width="3.03%" style="background:{{element color|f-block}}"|[[Chemistry:Praseodymium|Pr]]
| width="3.03%" style="background:{{element color|f-block}}"|[[Chemistry:Neodymium|Nd]]
| width="3.03%" style="background:{{element color|f-block}}"|[[Chemistry:Promethium|Pm]]
| width="3.03%" style="background:{{element color|f-block}}"|[[Chemistry:Samarium|Sm]]
| width="3.03%" style="background:{{element color|f-block}}"|[[Chemistry:Europium|Eu]]
| width="3.03%" style="background:{{element color|f-block}}"|[[Chemistry:Gadolinium|Gd]]
| width="3.03%" style="background:{{element color|f-block}}"|[[Chemistry:Terbium|Tb]]
| width="3.03%" style="background:{{element color|f-block}}"|[[Chemistry:Dysprosium|Dy]]
| width="3.03%" style="background:{{element color|f-block}}"|[[Chemistry:Holmium|Ho]]
| width="3.03%" style="background:{{element color|f-block}}"|[[Chemistry:Erbium|Er]]
| width="3.03%" style="background:{{element color|f-block}}"|[[Chemistry:Thulium|Tm]]
| width="3.03%" style="background:{{element color|f-block}}"|[[Chemistry:Ytterbium|Yb]]
| width="3.03%" style="background:{{element color|d-block}}"|[[Chemistry:Lutetium|Lu]]
| width="3.03%" style="background:{{element color|d-block}}"|[[Chemistry:Hafnium|Hf]]
| width="3.03%" style="background:{{element color|d-block}}"|[[Chemistry:Tantalum|Ta]]
| width="3.03%" style="background:{{element color|d-block}}"|[[Chemistry:Tungsten|W]]
| width="3.03%" style="background:{{element color|d-block}}"|[[Chemistry:Rhenium|Re]]
| width="3.03%" style="background:{{element color|d-block}}"|[[Chemistry:Osmium|Os]]
| width="3.03%" style="background:{{element color|d-block}}"|[[Chemistry:Iridium|Ir]]
| width="3.03%" style="background:{{element color|d-block}}"|[[Chemistry:Platinum|Pt]]
| width="3.03%" style="background:{{element color|d-block}}"|[[Chemistry:Gold|Au]]
| width="3.03%" style="background:{{element color|d-block}}"|[[Chemistry:Mercury (element)|Hg]]
| width="3.03%" style="background:{{element color|p-block}}"|[[Chemistry:Thallium|Tl]]
| width="3.03%" style="background:{{element color|p-block}}"|[[Chemistry:Lead|Pb]]
| width="3.03%" style="background:{{element color|p-block}}"|[[Chemistry:Bismuth|Bi]]
| width="3.03%" style="background:{{element color|p-block}}"|[[Chemistry:Polonium|Po]]
| width="3.03%" style="background:{{element color|p-block}}"|[[Chemistry:Astatine|At]]
| width="3.03%" style="background:{{element color|p-block}}"|[[Chemistry:Radon|Rn]]
| width="3.03%" style="background:{{element color|s-block}}"|[[Chemistry:Francium|Fr]]
| width="3.03%" style="background:{{element color|s-block}}"|[[Chemistry:Radium|Ra]]
|-
| style="text-align:right; padding-right:2px;" | {{inline block|bg={{element color|f-block}}|5f}} {{inline block|bg={{element color|d-block}}|6d}} {{inline block|bg={{element color|p-block}}|7p}} {{inline block|bg={{element color|s-block}}|8s}}
|style="background:{{element color|f-block}}"|[[Chemistry:Actinium|Ac]]
|style="background:{{element color|f-block}}"|[[Chemistry:Thorium|Th]]
|style="background:{{element color|f-block}}"|[[Chemistry:Protactinium|Pa]]
|style="background:{{element color|f-block}}"|[[Chemistry:Uranium|U]]
|style="background:{{element color|f-block}}"|[[Chemistry:Neptunium|Np]]
|style="background:{{element color|f-block}}"|[[Chemistry:Plutonium|Pu]]
|style="background:{{element color|f-block}}"|[[Chemistry:Americium|Am]]
|style="background:{{element color|f-block}}"|[[Chemistry:Curium|Cm]]
|style="background:{{element color|f-block}}"|[[Chemistry:Berkelium|Bk]]
|style="background:{{element color|f-block}}"|[[Chemistry:Californium|Cf]]
|style="background:{{element color|f-block}}"|[[Chemistry:Einsteinium|Es]]
|style="background:{{element color|f-block}}"|[[Chemistry:Fermium|Fm]]
|style="background:{{element color|f-block}}"|[[Chemistry:Mendelevium|Md]]
|style="background:{{element color|f-block}}"|[[Chemistry:Nobelium|No]]
|style="background:{{element color|d-block}}"|[[Chemistry:Lawrencium|Lr]]
|style="background:{{element color|d-block}}"|[[Chemistry:Rutherfordium|Rf]]
|style="background:{{element color|d-block}}"|[[Chemistry:Dubnium|Db]]
|style="background:{{element color|d-block}}"|[[Chemistry:Seaborgium|Sg]]
|style="background:{{element color|d-block}}"|[[Chemistry:Bohrium|Bh]]
|style="background:{{element color|d-block}}"|[[Chemistry:Hassium|Hs]]
|style="background:{{element color|d-block}}"|[[Chemistry:Meitnerium|Mt]]
|style="background:{{element color|d-block}}"|[[Chemistry:Darmstadtium|Ds]]
|style="background:{{element color|d-block}}"|[[Chemistry:Roentgenium|Rg]]
|style="background:{{element color|d-block}}"|[[Chemistry:Copernicium|Cn]]
|style="background:{{element color|p-block}}"|[[Chemistry:Nihonium|Nh]]
|style="background:{{element color|p-block}}"|[[Chemistry:Flerovium|Fl]]
|style="background:{{element color|p-block}}"|[[Chemistry:Moscovium|Mc]]
|style="background:{{element color|p-block}}"|[[Chemistry:Livermorium|Lv]]
|style="background:{{element color|p-block}}"|[[Chemistry:Tennessine|Ts]]
|style="background:{{element color|p-block}}"|[[Chemistry:Oganesson|Og]]
|style="background:{{element color|s-block}}"|[[Chemistry:Ununennium|119]]
|style="background:{{element color|s-block}}"|[[Chemistry:Unbinilium|120]]
|-
| colspan=33 style="height:7px; border-bottom:1px solid black" |
|- style="font-size:90%; line-height:100%;"
|
| colspan=14 style="background:{{element color|f-block}}" | [[f-block]]
| colspan=10 style="background:{{element color|d-block}}" | [[d-block]]
| colspan=6 style="background:{{element color|p-block}}" | [[p-block]]
| colspan=2 style="background:{{element color|s-block}}" | [[s-block]]
|}
This form of periodic table is congruent with the order in which electron shells are ideally filled according to the [[Physics:Aufbau principle#Madelung energy ordering rule|Madelung rule]], as shown in the accompanying sequence in the left margin (read from top to bottom, left to right). The experimentally determined ground-state electron configurations of the elements differ from the configurations predicted by the Madelung rule in twenty instances, but the Madelung-predicted configurations are always at least close to the ground state. The last two elements shown, elements 119 and 120, have not yet been synthesized.</div></div><noinclude>
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