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===فلزات، شبه فلزات، غیرفلزات ===
 
 
===فلزات، شبه فلزات، غیرفلزات ===
[[File:Periodic table (metals–metalloids–nonmetals, 32 columns).png|upright=1.36|left|thumb
|{{legend inline|1={{element color|metals}}|2=Metals|border=none}}, {{legend inline|1={{element color|metalloids}}|2=metalloids|border=none}}, {{legend inline|1={{element color|nonmetals}}|2=nonmetals|border=none}}, and {{nowrap|{{legend inline|1={{element color|unknown chemical properties}}|2=elements with unknown chemical properties|border=none}}}} in the periodic table. Sources disagree on the classification of some of these elements.]]
=== الکترون ترتیبونه ===
{{Main|Electronic configuration}}
[[File:Klechkovski rule.svg|upright=0.9|thumb|left|Approximate order in which shells and subshells are arranged by increasing energy according to the [[Madelung rule]]]]
[[File:Periodic trends.png|upright=1.35|thumb|right|Periodic table trends (arrows show an increase)]]
 
 
 
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=== الکترون ترتیبونه ===
{{Main|Electronic configuration}}
[[File:Klechkovski rule.svg|upright=0.9|thumb|left|Approximate order in which shells and subshells are arranged by increasing energy according to the [[Madelung rule]]]]
[[File:Periodic trends.png|upright=1.35|thumb|right|Periodic table trends (arrows show an increase)]]
 
===اټومي شعاع===
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===Electronالكټرونيكي affinityاړېکې====
{{main|Electron affinity}}
[[File:Electron affinity of the elements.svg|thumb|upright=1.8|left|Dependence of electron affinity on atomic number.<ref>Huheey, Keiter & Keiter, p. 42</ref> Values generally increase across each period, culminating with the halogens before decreasing precipitously with the noble gases. Examples of localized peaks seen in hydrogen, the alkali metals and the [[group 11 elements]] are caused by a tendency to complete the s-shell (with the 6s shell of gold being further stabilized by relativistic effects and the presence of a filled 4f sub shell). Examples of localized troughs seen in the alkaline earth metals, and nitrogen, phosphorus, manganese and rhenium are caused by filled s-shells, or half-filled p- or d-shells.<ref>{{cite book |last1=Siekierski|first1=S.|last2=Burgess|first2=J.|title=Concise chemistry of the elements|publisher=Horwood Publishing|location=Chichester|year=2002|isbn=1-898563-71-3|pages=35‒36}}</ref>]]
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===First systemization attempts===
 
 
 
===لومړۍ سيستماتيکه لاسته راوړنه s===
[[File:Discovery of chemical elements.svg|upright=2.27|thumb|The [[discovery of the chemical elements|discovery of the elements]] mapped to significant periodic table development dates (pre-, per- and post-)]]
 
[[File:Newlands periodiska system 1866.png|upright=1.36|thumb|[[John Newlands (chemist)|Newlands']] periodic table, as presented to the Chemical Society in 1866, and based on the law of octaves]]
 
 
 
 
 
 
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===Second version and further development===
 
 
 
=== دویم ورژن او لازیات پرمختګ===
[[File:Periodic table by Mendeleev, 1871.svg|thumb|left|upright=2.27|Mendeleev's 1871 periodic table with eight groups of elements. Dashes represented elements unknown in 1871.]] [[File:ShortPT20b.png|thumb|left|upright=2.27|Eight-column form of periodic table, updated with all elements discovered to 2016]]
 
 
 
 
 
 
 
 
==متفاوت دوراني جدول ==
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===The long- or 32-column table===
[[File:32-column periodic table-a.png|upright=2.95|thumb|The periodic table in 32-column format]]
 
 
 
 
 
 
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|[[File:Periodic table 14CeTh form---Group 3 = Sc-Y-La-Ac.jpg|Right|x100px]]<br /><small>La and Ac below Y</small>
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||[[File:Periodic table 14LaAc form---Group 3 = Sc-Y-Lu-Lr.jpg|Right|x100px]]<br /><small>Lu and Lr below Y</small>
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