Chromium,  24Cr
आम लच्छन (जनरल प्रापर्टी)
रूपरंगsilvery metallic
स्टैंडर्ड परमाणु वजन (Ar, standard)51.9961(6)[1]
पीरियाडिक टेबल में Chromium
Hydrogen हीलियम
लिथियम बेरीलियम बोरॉन कार्बन नाइट्रोजन ऑक्सीजन फ्लोरीन नियॉन
सोडियम मैग्नीशियम अल्मुनिया सिलिकॉन फॉस्फोरस गंधक क्लोरीन आर्गन
पोटैशियम कैल्शियम स्कैंडियम टाइटैनियम वैनेडियम क्रोमियम मैंगनीज लोहा कोबाल्ट निकेल ताँमा जस्ता गैलियम जर्मेनियम आर्सेनिक सेलीनियम ब्रोमीन क्रिप्टन
रुबिडियम स्ट्रॉन्सियम यिट्रियम जिरकोनियम नियोबियम मॉलिब्डेनम टेक्नीशियम रुथेनियम रोडियम पैलेडियम चानी कैडमियम इंडियम टीना एंटिमनी टेल्यूरियम आयोडीन जेनॉन
सीजियम बेरियम लैंथेनम सेरियम प्रासियोडाइमियम नियोडाइमियम प्रोमेथियम समेरियम युरोपियम गैडोलिनियम टर्बियम डिस्प्रोसियम होल्मियम अर्बियम थुलियम यिट्टर्बियम लुटेटियम हाफ्नियम टैंटलम टंगस्टन रेनियम ऑस्मियम इरीडियम प्लैटिनम सोना पारा थैलियम सीसा बिस्मथ पोलोनियम एस्टेटीन रेडान
फ्रंशियम रेडियम एक्टिनियम थोरियम प्रोटैक्टिनियम यूरेनियम नेप्चुनियम प्लुटोनियम अमेरिसियम क्युरियम बर्केलियम कैलिफोर्नियम आइंस्टाइनियम फर्मियम मेंडेलेवियम नोबेलियम लॉरेंशियम रदरफोर्डियम डब्नियम सीबोर्गियम बोरियम (तत्व) हस्सियम मेइट्नेरियम डार्मश्टाटियम रंटगेनियम कॉपरनीशियम निहोनियम फ्लेरोवियम मॉस्कोवियम लिवरमोरियम टेनेसीन ओगानेस्सन


Cr

Mo
vanadiumchromiummanganese
परमाणु नंबर (Z)24
ग्रुपgroup 6
पीरियड4
ब्लॉकd
इलेक्ट्रान कन्फिगरेशन[Ar] 3d5 4s1
Electrons per shell
2, 8, 13, 1
भौतिक लच्छन
फेज at STPsolid
पघिलाव ताप2180 K ​(1907 °C, ​3465 °F)
उबाल ताप2944 K ​(2671 °C, ​4840 °F)
घनत्व (लगभग रू.टे.)7.19 g/cm3
जब लिक्विड होखे ( प.ता.)6.3 g/cm3
फ्यूजन के एन्थाल्पी21.0 kJ/mol
बास्पीकरण के एन्थाल्पी347 kJ/mol
मोलर हीट कैपसिटी23.35 J/(mol·K)
भाप दाब
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 1656 1807 1991 2223 2530 2942
परमाणु संबंधी लच्छन
ऑक्सीडेशन स्टेट−4, −2, −1, +1, +2, +3, +4, +5, +6 (depending on the oxidation state, an acidic, basic, or amphoteric oxide)
इलेक्ट्रोनिगेटिविटीPauling scale: 1.66
आयनाइजेशन एनर्जी
  • 1st: 652.9 kJ/mol
  • 2nd: 1590.6 kJ/mol
  • 3rd: 2987 kJ/mol
  • (more)
एटॉमिक रेडियसempirical: 128 pm
कोवैलेंट रेडियस139±5 pm
स्पेक्ट्रल रेंज में रंग के लाइन सभ
स्पेक्ट्रल लाइन
अन्य लच्छन
क्रिस्टल स्ट्रक्चरbody-centered cubic (bcc)
Body-centered cubic crystal structure for chromium
Speed of sound thin rod5940 m/s (at 20 °C)
थर्मल ऍक्सपैंशन4.9 µm/(m·K) (at 25 °C)
थर्मल कंडक्टिविटी93.9 W/(m·K)
इलेक्ट्रिकल रेजिस्टिविटी125 nΩ·m (at 20 °C)
चुंबकी क्रमantiferromagnetic (rather: SDW)[2]
यंग्स माड्युलस279 GPa
शियर माड्युलस115 GPa
बल्क माड्युलस160 GPa
पोइसंस रेशियो0.21
वाइकर्स हार्डनेस1060 MPa
ब्रिनेल हार्डनेस687–6500 MPa
सीएएस (CAS) नंबर7440-47-3
इतिहास
खोज आ पहिला बिलगावLouis Nicolas Vauquelin (1797, 1798)
chromium के प्रमुख आइसोटोप
Iso­tope Abun­dance Half-life (t1/2) Decay mode Pro­duct
50Cr 4.345% >1.3×1018 y (β+β+) 1.167 50Ti
51Cr syn 27.7025 d ε 51V
γ 0.320
52Cr 83.789% 52Cr is stable with 28 neutrons
53Cr 9.501% 53Cr is stable with 29 neutrons
54Cr 2.365% 54Cr is stable with 30 neutrons
Decay modes in parentheses are predicted, but have not yet been observed
|

References

  1. Meija, J.; Coplen, T. B. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry. 88 (3): 265–91. doi:10.1515/pac-2015-0305. {{cite journal}}: Unknown parameter |displayauthors= ignored (help)
  2. Fawcett, Eric (1988). "Spin-density-wave antiferromagnetism in chromium". Reviews of Modern Physics. 60: 209. Bibcode:1988RvMP...60..209F. doi:10.1103/RevModPhys.60.209.
  3. Standard Atomic Weights 2013. Commission on Isotopic Abundances and Atomic Weights

रासायनिक तत्व सभ खातिर ज्ञानसंदूक जे कोर टेम्पलेट {{Infobox element}} (talk) के इस्तेमाल करे लें।

पैरामीटर

संपादन करीं
In general

Usually parameters reproduce the value, and the template adds the SI unit or additional standard text. While the topic is technical, we can strive to make the result readable text, and even verbose. For example, this is why the template writes "(at 0 °C)". For this, you may want to experiment with parameter input too — or propose improvements.

All this can vary across the values (data rows). So depending on the row and the specific value, additional formattings may be added by the template (e.g., a newline <br>)

Central data values

Some data, like standard atomic weight, are read from a central list. This way, enwiki has the same values everywhere. See #Chemical element data lists for more.

Parameter naming patterns

Most parameters have a ... ref that allows for references. This reference is added right after the unit.

ionization energy ref

Parameters with a .. comment suffix are added to the end of a data line, with a space added. Comments are reproduced without formatting additions (no brackets, no italics, …):

ionization energy comment

Numbered values make a list:

ionization energy
ionization energy 2
ionization energy 3
Parameter list
This parameter list: 
See also: Infobox element/testcases-all-params demo.
{{Infobox element
|name=
|symbol=
|number=
<!-- image -->
|image name=
|image upright=
|spectral image=<!-- central data list -->
<!-- General properties -->
|pronounce=<!-- central data list -->
|alt name=
|alt names=
|allotropes=
|appearance=
|standard atomic weight=<!-- central data list -->
<!-- Periodic table -->
|above=
|below=
|left=
|right=
|category=
|category ref=
|category comment=
|category color=
|group=
|group ref=
|group comment=
|period=
|period ref=
|period comment=
|block=
|block ref=
|block comment=
|electron configuration=
|electron configuration ref=
|electron configuration comment=
|electrons per shell=
|electrons per shell ref=
|electrons per shell comment=
<!-- Physical properties -->
|physical properties comment=
|color=
|phase=
|phase ref=
|phase comment=
|melting point K=
|melting point C=
|melting point F=
|melting point ref=
|melting point comment=
|boiling point K=
|boiling point C=
|boiling point F=
|boiling point ref=
|boiling point comment=
|sublimation point K=
|sublimation point C=
|sublimation point F=
|sublimation point ref=
|sublimation point comment=
|density gplstp=
|density gplstp ref=
|density gplstp comment=
|density kgpm3stp=
|density kgpm3stp ref=
|density kgpm3stp comment=
|density gpcm3nrt=
|density gpcm3nrt ref=
|density gpcm3nrt comment=
|density gpcm3nrt 2=
|density gpcm3nrt 2 ref=
|density gpcm3nrt 2 comment=
|density gpcm3nrt 3=
|density gpcm3nrt 3 ref=
|density gpcm3nrt 3 comment=
|density gpcm3mp=
|density gpcm3mp ref=
|density gpcm3mp comment=
|density gpcm3bp=
|density gpcm3bp ref=
|density gpcm3bp comment=
|molar volume=
|molar volume unit =
|molar volume ref=
|molar volume comment=
|triple point K=
|triple point kPa=
|triple point ref=
|triple point comment=
|triple point K 2=
|triple point kPa 2=
|triple point 2 ref=
|triple point 2 comment=
|critical point K=
|critical point MPa=
|critical point ref=
|critical point comment=
|heat fusion=
|heat fusion ref=
|heat fusion comment=
|heat fusion 2=
|heat fusion 2 ref=
|heat fusion 2 comment=
|heat vaporization=
|heat vaporization ref=
|heat vaporization comment=
|heat capacity=
|heat capacity ref=
|heat capacity comment=
|heat capacity 2=
|heat capacity 2 ref=
|heat capacity 2 comment=
|vapor pressure 1=
|vapor pressure 10=
|vapor pressure 100=
|vapor pressure 1 k=
|vapor pressure 10 k=
|vapor pressure 100 k=
|vapor pressure ref=
|vapor pressure comment=
|vapor pressure 1 2=
|vapor pressure 10 2=
|vapor pressure 100 2=
|vapor pressure 1 k 2=
|vapor pressure 10 k 2=
|vapor pressure 100 k 2=
|vapor pressure 2 ref=
|vapor pressure 2 comment=
<!-- Atomic properties -->
|atomic properties comment=
|electronegativity=
|electronegativity ref=
|electronegativity comment=
|ionization energy 1=
|ionization energy 1 ref=
|ionization energy 1 comment=
|ionization energy 2=
|ionization energy 2 ref=
|ionization energy 2 comment=
|ionization energy 3=
|ionization energy 3 ref=
|ionization energy 3 comment=
|number of ionization energies=
|ionization energy ref=
|ionization energy comment=
|atomic radius=
|atomic radius ref=
|atomic radius comment=
|atomic radius calculated=
|atomic radius calculated ref=
|atomic radius calculated comment=
|covalent radius=
|covalent radius ref=
|covalent radius comment=
|Van der Waals radius=
|Van der Waals radius ref=
|Van der Waals radius comment=
<!-- Miscellanea -->
|crystal structure=
|crystal structure prefix=
|crystal structure ref=
|crystal structure comment=
|crystal structure 2=
|crystal structure 2 prefix=
|crystal structure 2 ref=
|crystal structure 2 comment=
|speed of sound=
|speed of sound ref=
|speed of sound comment=
|speed of sound rod at 20=
|speed of sound rod at 20 ref=
|speed of sound rod at 20 comment=
|speed of sound rod at r.t.=
|speed of sound rod at r.t. ref=
|speed of sound rod at r.t. comment=
|thermal expansion=
|thermal expansion ref=
|thermal expansion comment=
|thermal expansion at 25=
|thermal expansion at 25 ref=
|thermal expansion at 25 comment=
|thermal conductivity=
|thermal conductivity ref=
|thermal conductivity comment=
|thermal conductivity 2=
|thermal conductivity 2 ref=
|thermal conductivity 2 comment=
|thermal diffusivity=
|thermal diffusivity ref=
|thermal diffusivity comment=
|electrical resistivity=
|electrical resistivity unit prefix=
|electrical resistivity ref=
|electrical resistivity comment=
|electrical resistivity at 0=
|electrical resistivity at 0 ref=
|electrical resistivity at 0 comment=
|electrical resistivity at 20=
|electrical resistivity at 20 ref=
|electrical resistivity at 20 comment=
|band gap=
|band gap ref=
|band gap comment=
|Curie point K=
|Curie point ref=
|Curie point comment=
|magnetic ordering=
|magnetic ordering ref=
|magnetic ordering comment=
|tensile strength=
|tensile strength ref=
|tensile strength comment=
|Young's modulus=
|Young's modulus ref=
|Young's modulus comment=
|Shear modulus=
|Shear modulus ref=
|Shear modulus comment=
|Bulk modulus=
|Bulk modulus ref=
|Bulk modulus comment=
|Poisson ratio=
|Poisson ratio ref=
|Poisson ratio comment=
|Mohs hardness=
|Mohs hardness ref=
|Mohs hardness comment=
|Mohs hardness 2=
|Mohs hardness 2 ref=
|Mohs hardness 2 comment=
|Vickers hardness=
|Vickers hardness ref=
|Vickers hardness comment=
|Brinell hardness=
|Brinell hardness ref=
|Brinell hardness comment=
|CAS number=
|CAS number ref=
|CAS number comment=
<!-- History -->
|naming=
|predicted by=
|prediction date ref=
|prediction date=
|discovered by=
|discovery date ref=
|discovery date=
|first isolation by=
|first isolation date ref=
|first isolation date=
|discovery and first isolation by=
|named by=
|named date ref=
|named date=
|history comment label=
|history comment=
<!-- Isotopes -->
|isotopes=
|isotopes ref=
|isotopes comment=
<!-- other -->
|engvar=
|QID=
 }}
{{Infobox element}}; labels & notes:
 
(Image)
 
 
 
GENERAL PROPERTIES
Name
Symbol
Pronunciation (data central)
 
Alternative name(s)
 
Allotropes
Appearance
<element> IN THE PERIODIC TABLE
Periodic table
 
 
 
Atomic number
Standard atomic weight (data central)
 
 
Element category (also header bg color)
 
 
(sets header bg color, over 'series='-color)
Group
 
 
Period
 
 
Block
 
 
Electron configuration
 
 
Electrons per shell
 
 
PHYSICAL PROPERTIES
(general note)
Color
Phase
 
 
Melting point
 
 
 
 
Boiling point
 
 
 
 
Sublimation point
 
 
 
 
Density [g/L at s.t.p.]
 
 
Density [kg/m3 at s.t.p.]
 
 
Density [g/cm3 near room temperature]
 
 
 [g/cm3 near r.t.], #2
 
 
 [g/cm3 near r.t.], #3
 
 
Density (liquid, melting point) [g/cm3]
 
 
Density (liquid, boiling point) [g/cm3]
 
 
Molar volume
Unit defaults to cm3/mol
 otherwise set unit prefix=d for dm3/mol (gases)
 
Triple point
 
 
 
 
 
 
 
Critical point
 
 
 
Heat of fusion
 
 
 
 
 
Heat of vaporization
 
 
Molar heat capacity
 
 
 
 
 
Vapor pressure
 
 
 
 
 
 
 
Vapor pressure
 
 
 
 
 
 
 
ATOMIC PROPERTIES

Electronegativity
 
 
Ionization energy
 
 
 
 
 
 
 
 
 
 
 
Atomic radius
 
 
 
 
 
Covalent radius
 
 
Van der Waals radius
 
 
MISCELLANEA
Crystal structure
 
 
 
Crystal structure
 
 
 
Speed of sound
 
 
 
 
 
 
 
 
Thermal expansion
 
 
 
 
 
Thermal conductivity
 
 
 
 
 
Thermal diffusivity
 
 
Electrical resistivity
 
 
 
 
 
 
 
 
 
Band gap
 
 
Curie point
 
 
Magnetic ordering
 
 
Tensile strength
 
 
Young's modulus
 
 
Shear modulus
 
 
Bulk modulus
 
 
Poisson ratio
 
 
Mohs hardness
 
 
 
 
 
Vickers hardness
 
 
Brinell hardness
 
 
CAS Number
 
 
HISTORY
Naming
Prediction
 
()
Discovery
 
()
First isolation
 
()
Discovery and first isolation (1 or 2 dates)
Named by
 
()
 
(History comment)
ISOTOPES OF <element>
Isotopes of <element>
 
(wp:engvar)
 

रासायनिक तत्व डेटासेट

संपादन करीं

Infobox element reads data from these lists (not by parameter)

Data sets read by {{Infobox element}}
Name and identifiers देखीं · edit
Top image देखीं · edit
  image caption देखीं · edit
  image alt देखीं · edit
Pronunciation देखीं · edit
Category (enwiki) देखीं · edit
Standard atomic weight देखीं · edit
  most stable isotope देखीं · edit
Oxidation states देखीं · edit
Spectral lines image देखीं · edit

उपटेम्पलेट

संपादन करीं

Other subtemplates are used automatically; they do not need specific editor's input.

Bare Periodic table, micro

ब्रिटिश अंगरेजी के वैरिएंट (ENGVAR) वाली इस्पेलिंग

संपादन करीं

All element articles and their infoboxes use IUPAC spelling of elements and compounds. Notably, that is aluminium, sulfur, caesium, not aluminum, sulphur, cesium. For other English variant words (vapor vs. vapoUr) the infobox reads |engvar=. The parameter should be set in the article, and has options: en-US (or blank; default), en-GB, en-OED.

parameter en-US
(default)
en-GB en-OED
color color coloUr coloUr
heat vaporization vaporiZation vaporiSation vaporiZation
vapor pressure vapor vapoUr vapoUr
ionization energy ioniZation ioniSation ioniZation
crystal structure (list) -centEred -centred -centred
… oxidation-state/comment parenthesized brackets brackets

Note, what is shown in the infobox is not influenced by the parameter name spelling, nor its input value.

See this demo for actual engvar effects.


References

  1. Chisté 2006.

Index by periodic table

संपादन करीं