Mẹ́tàlì álkálì

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Alkali metals in the periodic table

Lithium metal stored under paraffin

3
Li

3

Sodium metal

11
Na

4

Potassium metal

19
K

5

Rubidium metal in a glass ampoule

37
Rb

6

Caesium metal in a glass ampoule

55
Cs

7

87
Fr

Legend

Alkali metal
Primordial
From decay

Àwọn mẹ́tàlì álkálì ni egbe kan lori tabili idasiko awon elimenti to ni awon elimenti lithium (Li), sodium (Na), potassium (K), rubidium (Rb), caesium (Cs),^{[note 1]} ati francium (Fr) ninu.^[4] Egbe yi wa ni inu s-block lori tabili idasiko^[5] nitoripe gbogbo awon metali alkali ni elektronu ode won ni inu s-orbital.^[6]^[7]^[8] Awon metali alkali ni apere ijora egbe bi awon ini lori tabili idasiko,^[6] pelu awon elimenti inu ti won unwuwa isejora.^[6]

Àyọkà yìí tàbí apá rẹ̀ únfẹ́ àtúnṣe sí.

Ẹ le fẹ̀ jù báyìí lọ tàbí kí ẹ ṣàtúnṣe rẹ̀ lọ́nà tí yíò mu kúnrẹ́rẹ́. Ẹ ran Wikipedia lọ́wọ́ láti fẹ̀ẹ́ jù báyìí lọ.

Akiyesi [àtúnṣe]

↑ Caesium is the spelling recommended by the International Union of Pure and Applied Chemistry (IUPAC).^[1] The American Chemical Society (ACS) has used the spelling cesium since 1921,^[2]^[3] following Webster’s Third New International Dictionary.

Itokasi [àtúnṣe]

↑ Àdàkọ:RedBook2005.
↑ Coghill, Anne M.; Garson, Lorrin R., eds (2006). The ACS Style Guide: Effective Communication of Scientific Information (3rd ed.). Washington, D.C.: American Chemical Society. p. 127. ISBN 0-8412-3999-1. .
↑ Coplen, T. B.; Peiser, H. S. (1998). "History of the recommended atomic-weight values from 1882 to 1997: a comparison of differences from current values to the estimated uncertainties of earlier values". Pure Appl. Chem. 70 (1): 237–257. doi:10.1351/pac199870010237. http://old.iupac.org/reports/1998/7001coplen/history.pdf. .
↑ Àdàkọ:RedBook2005.
↑ Leach, Mark R. (1999–2012). "The Internet Database of Periodic Tables". meta-synthesis.com. http://www.meta-synthesis.com/webbook/35_pt/pt_database.php?Button=1900-1949+Formulations. Retrieved 20 May 2012.
↑ Cite error: Invalid <ref> tag; no text was provided for refs named rsc
↑ "Periodic Table: Atomic Properties of the Elements". nist.gov. National Institute of Standards and Technology. September 2010. http://www.nist.gov/pml/data/upload/periodic_table_composite_2010_nobleed.pdf. Retrieved 17 February 2012.
↑ Cite error: Invalid <ref> tag; no text was provided for refs named RubberBible84th

w ọ a Periodic tables

Standard form	Periodic table Compact Large Text only

Wide form	Wide form (Inline f-block) Wide form, large Vertical

Extended form	Extension beyond the 7th period Pyykkö model compact Extended form, large Pyykkö model

Alternative structure	Alternatives Janet table compact Chemical Galaxy

Element properties	Maximum valences Electron configurations Electronegativities Allen scale electronegativities Crystal structure Goldschmidt classification Atomic weights Dietary elements Nutritional elements Electron affinities Platinum group metals (PGM) Refractory metals Rare earth elements

List of elements by	Symbol Abundance (in humans) Nuclear stability Atomic properties Production

Data pages	Electron configurations Densities Electron affinities Melting points Boiling points Critical points Heats of fusion Heats of vaporization Heat capacities Vapor pressures Electronegativities Ionization energies Atomic radii Electrical resistivities Thermal conductivities Thermal expansion coefficients Speeds of sound Elastic properties Hardnesses Abundances Oxidation states

Groups	1 (Alkali metals) 2 (Alkaline earth metals) 3 4 5 6 7 8 9 10 11 12 13 (Boron group) 14 (Carbon group) 15 (Pnictogens) 16 (Chalcogens) 17 (Halogens) 18 (Noble gases)

Metals–nonmetals	Metals Metalloids dividing line Nonmetals Subgroups: Alkali metals Alkaline earth metals Lanthanides Actinides Superactinides Eka-superactinides Transition metals Metalloids Post-transition metals Other nonmetals Halogens Noble gases

Blocks	s-block p-block d-block f-block g-block

Periods	1 2 3 4 5 6 7 8 9

History	Element discoveries History of the periodic table Name etymology places scientists

See also	Dmitri Mendeleev IUPAC nomenclature Systematic element name Groups of elements Trivial name Chemical elements in East Asian languages

Book:Periodic table Category:Periodic table Portal:Chemistry

wò • if. • at. Tábìlì ìdásìkò

1

Mẹ́tàlì álkálì

Mẹ́tàlì alkalínì ilẹ̀

Transition metal

Post-transition metal

Mẹ́tálọ́ìdì

Àìjẹ́mẹ́tàlì míràn

Ẹ̀fúùfù abíire

Unknown chemical properties

Large version

Àdàkọ:Alkali metals

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