Mẹ́tàlì álkálì

Alkali metals in the periodic table

↓ Period

2

3
Li

3

11
Na

4

19
K

5

37
Rb

6

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

↑ 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

↑ 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. Retrieved 20 May 2012.
↑ ^6.0 ^6.1 ^6.2 Àṣìṣe ìtọ́kasí: Invalid <ref> tag; no text was provided for refs named rsc
↑ "Periodic Table: Atomic Properties of the Elements" (PDF). nist.gov. National Institute of Standards and Technology. September 2010. Retrieved 17 February 2012.
↑ Àṣìṣe ìtọ́kasí: Invalid <ref> tag; no text was provided for refs named RubberBible84th

Àdàkọ:Alkali metals

[4] 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.

[1] Àdàkọ:RedBook2005.

[2] 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. .

[3] 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. .

[redbook-5] Àdàkọ:RedBook2005.

[meta-synthesis3-6] Leach, Mark R. (1999–2012). "The Internet Database of Periodic Tables". meta-synthesis.com. Retrieved 20 May 2012.

[rsc-7] 6.0 ^6.1 ^6.2 Àṣìṣe ìtọ́kasí: Invalid <ref> tag; no text was provided for refs named rsc

[8] "Periodic Table: Atomic Properties of the Elements" (PDF). nist.gov. National Institute of Standards and Technology. September 2010. Retrieved 17 February 2012.

[RubberBible84th-9] Àṣìṣe ìtọ́kasí: Invalid <ref> tag; no text was provided for refs named RubberBible84th

[note 1]

[4]

[5]

[6]

[7]

[8]

[1]

[2]

[3]

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