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Revision as of 04:26, 2 February 2009

This article was nominated for deletion. The discussion was closed on 02 February 2009 with a consensus to merge the content into the article g-block. If you find that such action has not been taken promptly, please consider assisting in the merger instead of re-nominating the article for deletion. To discuss the merger, please use the destination article's talk page. (February 2009)

An extended periodic table was suggested by Glenn T. Seaborg in 1969. It is a logical extension of the principles behind the standard periodic table to include possible undiscovered chemical elements. All of the undiscovered elements are named by the International Union of Pure and Applied Chemistry (IUPAC) systematic element name standard of creating a generic name until it has been discovered, confirmed, and an official name approved.

According to current scientific knowledge, the maximal number of protons in a nucleus lies between 170 and 210; thus, the table stops at the highest possible atomic number 210.

The blue symbol on top of each column shows the placement of each element in each block in the periodic table. It does not always indicate the number of electrons in the orbital (e.g. copper). The red number at the left of each row shows the period: the last electron shell.

The exact positioning of the g-block in the table (to the left of the f-block, to the right, or in between) is rather speculative at the current state of knowledge. The position shown in the table below corresponds to the assumption that the Madelung rule will continue to hold at higher atomic number; this assumption may or may not be true.

**Extended Periodic Table**
	s	s																																											p	p	p	p	p	p
1	1 H																																																	2 He
2	3 Li	4 Be																																											5 B	6 C	7 N	8 O	9 F	10 Ne
3	11 Na	12 Mg																																	d	d	d	d	d	d	d	d	d	d	13 Al	14 Si	15 P	16 S	17 Cl	18 Ar
4	19 K	20 Ca		21 Sc	22 Ti	23 V	24 Cr	25 Mn	26 Fe	27 Co	28 Ni	29 Cu	30 Zn	31 Ga	32 Ge	33 As	34 Se	35 Br	36 Kr
5	37 Rb	38 Sr																			f	f	f	f	f	f	f	f	f	f	f	f	f	f	39 Y	40 Zr	41 Nb	42 Mo	43 Tc	44 Ru	45 Rh	46 Pd	47 Ag	48 Cd	49 In	50 Sn	51 Sb	52 Te	53 I	54 Xe
6	55 Cs	56 Ba																			57 La	58 Ce	59 Pr	60 Nd	61 Pm	62 Sm	63 Eu	64 Gd	65 Tb	66 Dy	67 Ho	68 Er	69 Tm	70 Yb	71 Lu	72 Hf	73 Ta	74 W	75 Re	76 Os	77 Ir	78 Pt	79 Au	80 Hg	81 Tl	82 Pb	83 Bi	84 Po	85 At	86 Rn
7	87 Fr	88 Ra	g	g	g	g	g	g	g	g	g	g	g	g	g	g	g	g	g	g	89 Ac	90 Th	91 Pa	92 U	93 Np	94 Pu	95 Am	96 Cm	97 Bk	98 Cf	99 Es	100 Fm	101 Md	102 No	103 Lr	104 Rf	105 Db	106 Sg	107 Bh	108 Hs	109 Mt	110 Ds	111 Rg	112 Uub	113 Uut	114 Uuq	115 Uup	116 Uuh	117 Uus	118 Uuo
8	119 Uue	120 Ubn	121 Ubu	122 Ubb	123 Ubt	124 Ubq	125 Ubp	126 Ubh	127 Ubs	128 Ubo	129 Ube	130 Utn	131 Utu	132 Utb	133 Utt	134 Utq	135 Utp	136 Uth	137 Uts	138 Uto	139 Ute	140 Uqn	141 Uqu	142 Uqb	143 Uqt	144 Uqq	145 Uqp	146 Uqh	147 Uqs	148 Uqo	149 Uqe	150 Upn	151 Upu	152 Upb	153 Upt	154 Upq	155 Upp	156 Uph	157 Ups	158 Upo	159 Upe	160 Uhn	161 Uhu	162 Uhb	163 Uht	164 Uhq	165 Uhp	166 Uhh	167 Uhs	168 Uho
9	169 Uhe	170 Usn	171 Usu	172 Usb	173 Ust	174 Usq	175 Usp	176 Ush	177 Uss	178 Uso	179 Use	180 Uon	181 Uou	182 Uob	183 Uot	184 Uoq	185 Uop	186 Uoh	187 Uos	188 Uoo	189 Uoe	190 Uen	191 Ueu	192 Ueb	193 Uet	194 Ueq	195 Uep	196 Ueh	197 Ues	198 Ueo	199 Uee	200 Bnn	201 Bnu	202 Bnb	203 Bnt	204 Bnq	205 Bnp	206 Bnh	207 Bns	208 Bno	209 Bne	210 Bun

Template:Element color legend/spdfg blocks

References

http://www.britannica.com/EBchecked/topic/603220/transuranium-element

http://www.springerlink.com/content/j303171428652143/

External links

jeries.rihani.com - The extended periodic table of the elements.
Upper Limit of the Periodic Table and Synthesis of Superheavy Elements

Periodic table

Periodic table forms

Sets of elements

By periodic table structure

Groups	1 (Hydrogen and alkali metals) 2 (Alkaline earth metals) 3 4 5 6 7 8 9 10 11 12 13 (Triels) 14 (Tetrels) 15 (Pnictogens) 16 (Chalcogens) 17 (Halogens) 18 (Noble gases)
Periods	1 2 3 4 5 6 7 8+ Aufbau Fricke Pyykkö
Blocks	Aufbau principle

By metallicity

Metals	Lanthanides Actinides Transition metals Post-transition metals
Metalloids	Lists of metalloids by source Dividing line
Nonmetals	Noble gases

Other sets

Elements

Lists	By: Abundance (in humans) Atomic properties Nuclear stability Symbol
Properties	Aqueous chemistry Crystal structure Electron configuration Electronegativity Goldschmidt classification Term symbol
Data pages	Abundance Atomic radius Boiling point Critical point Density Elasticity Electrical resistivity Electron affinity Electron configuration Electronegativity Hardness Heat capacity Heat of fusion Heat of vaporization Ionization energy Melting point Oxidation state Speed of sound Thermal conductivity Thermal expansion coefficient Vapor pressure

History

Revision as of 02:48, 2 February 2009 editMBisanz (talk \| contribs)Extended confirmed users126,668 edits Misplaced Pages:Articles for deletion/Periodic table (extended) closed as merge to g-block ← Previous edit		Revision as of 04:26, 2 February 2009 edit undoSmackBot (talk \| contribs)3,734,324 editsm Date maintenance tags and general fixesNext edit →
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	{{~~afd~~-mergeto\|g-block\|Periodic table (extended)\|02 February 2009}}		{{Afd-mergeto\|g-block\|Periodic table (extended)\|02 February 2009\|date=February 2009}}

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