Boroa (B)

5 zenbaki atomikoa duen elementu kimikoa

Atomic Number	5
Atomic Weight	10.81
masa-zenbaki	11

Group	13
Period	2
Block	p

protoi	5 p⁺
neutroi	6 n⁰
elektroi	5 e^-

Animated Bohrren eredu atomikoa of B (Boroa)

Propietate Fisiko

Erradio Atomiko	85 pm 205 pm
bolumen molar	4,6 cm³/mol
Erradio Kobalente	85 pm 78 pm 73 pm 84 pm
Metallic Radius	80 pm 98 pm
Erradio ioniko	1 pm 11 pm 27 pm
Crystal Radius	15 pm 25 pm 41 pm
Van der Waalsen erradio	180 pm 402 pm 192 pm 215 pm 192 pm 408,3 pm
dentsitatea	2,34 g/cm³ 2.080 kg/m³

Magnitude Fisiko

energia

proton affinity
Afinitate elektroniko	0,279723 eV/particle
ionizazio energia	8,298019 eV/particle 25,15483 eV/particle 37,93058 eV/particle 259,3715 eV/particle 340,226008 eV/particle

Irakite-entalpia	504,5 kJ/mol
urtze-entalpia	23,6 kJ/mol
formazio entalpia estandarra	565 kJ/mol
elektroi

elektroi geruza	2, 3

balentzia-elektroi	3 ⓘ

electron configuration	[He] 2s² 2p¹ⓘ 1s² 2s² 2p¹

Oxidazio-egoera	-5, -1, 0, 1, 2, 3
Elektronegatibotasun	12,13 eV/particle 0.184886 2.04
Electrophilicity Index	1,1470276511768214 eV/particle
materiaren funtsezko egoera

materiaren egoera	Solid
materiaren egoera gaseoso
Boiling Point	4.273,15 K
Melting Point	2.350,15 K
critical pressure
critical temperature
Puntu hirukoitz
appearance
kolore	Black #00ff00 #ffb5b5 #ffb5b5
appearance	black-brown
errefrakzio-indize
thermodynamic material property
Thermal Conductivity	27,4 W/(m K)
Bero-dilatazio	0,000006 1/K
molar heat capacity	11,087 J/(mol K)
Specific Heat Capacity	1,026 J/(g⋅K)
indize adiabatiko
electrical properties
type	Insulator
Eroankortasun elektriko	0,0000000001 MS/m
Erresistibitate elektriko	10.000 Ω*m
Supereroankortasun
Magnetismo
type	diamagnetic
suszeptibilitate magnetiko (Mass)	−0,0000000087 m³/Kg
suszeptibilitate magnetiko (Molar)	−0,0000000000941 m³/mol
suszeptibilitate magnetiko (Volume)	−0,0000214
magnetic ordering
Curieren tenperatura
Néel temperature
egitura
Crystal Structure	Simple Trigonal (TET)
lattice constant	8,73 Å
Lattice Angles	1.01334, 1.01334, 1.01334
materialen propietate mekaniko
Gogortasun	9,3 MPa 49.000 MPa
konprimagarritasun-modulu	320 GPa
Zizaila modulua
Youngen modulu
Poissonen modulu
Soinuaren lastertasun	16.200 m/s
classification
Category	Metalloids, Metalloids
CAS Group	IIIB
IUPAC Group	IIIA
Glawe Number	86
Mendeleev Number	81
Pettifor Number	86
Geochemical Class
Goldschmidt classification	litophile

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Gas Basicity
polarizability	20,5 ± 0,1 a₀
C6 Dispersion Coefficient	99,5 a₀ 99,2 a₀
allotrope	Alpha Rhombohedral Boron, Beta Rhombohedral Boron, Alpha Tetragonal Boron
Neutron cross section	760
Neutron Mass Absorption	2,4
zenbaki kuantiko	2P1/2
talde espazial	166 (R_3m)

Isotopes of Boron

Stable Isotopes	2
Unstable Isotopes	14
Natural Isotopes	2

⁶B

masa-zenbaki	6
neutron number	1
Atomo-Masa Erlatibo	6,0508 ± 0,00215 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin	2
nuclear quadrupole moment
aurkikuntza-data
parity	-

decay mode	intensity
2p (2-proton emission)

⁷B

masa-zenbaki	7
neutron number	2
Atomo-Masa Erlatibo	7,029712 ± 0,000027 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	570 ± 14 ys
spin	3/2
nuclear quadrupole moment
aurkikuntza-data	1967
parity	-

decay mode	intensity
p (proton emission)	100%

⁸B

masa-zenbaki	8
neutron number	3
Atomo-Masa Erlatibo	8,024607315 ± 0,000001073 Da
g-factor	0,51775 ± 0,00015
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	771,9 ± 0,9 ms
spin	2
nuclear quadrupole moment	0,0643 ± 0,0014
aurkikuntza-data	1950
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺α (β⁺-delayed α emission)	100%

⁹B

masa-zenbaki	9
neutron number	4
Atomo-Masa Erlatibo	9,013329645 ± 0,000000969 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	800 ± 300 zs
spin	3/2
nuclear quadrupole moment
aurkikuntza-data	1940
parity	-

decay mode	intensity
p (proton emission)	100%

¹⁰B

masa-zenbaki	10
neutron number	5
Atomo-Masa Erlatibo	10,012936862 ± 0,000000016 Da
g-factor	0,60015453333333 ± 0,00000026666666666667
natural abundance	19,65 ± 0,44
desintegrazio erradioaktibo	isotopo egonkor
Semidesintegrazio-periodo	Not Radioactive ☢️
spin	3
nuclear quadrupole moment	0,0846 ± 0,0002
aurkikuntza-data	1920
parity	+

¹¹B

masa-zenbaki	11
neutron number	6
Atomo-Masa Erlatibo	11,009305166 ± 0,000000013 Da
g-factor	1,792252 ± 0,00000066666666666667
natural abundance	80,35 ± 0,44
desintegrazio erradioaktibo	isotopo egonkor
Semidesintegrazio-periodo	Not Radioactive ☢️
spin	3/2
nuclear quadrupole moment	0,04059 ± 0,0001
aurkikuntza-data	1920
parity	-

¹²B

masa-zenbaki	12
neutron number	7
Atomo-Masa Erlatibo	12,014352638 ± 0,000001418 Da
g-factor	1,003 ± 0,001
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	20,2 ± 0,02 ms
spin	1
nuclear quadrupole moment	0,0132 ± 0,0003
aurkikuntza-data	1935
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻α (β⁻-delayed α emission)	0.6%

¹³B

masa-zenbaki	13
neutron number	8
Atomo-Masa Erlatibo	13,017779981 ± 0,000001073 Da
g-factor	2,1185333333333 ± 0,00033333333333333
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	17,16 ± 0,18 ms
spin	3/2
nuclear quadrupole moment	0,0365 ± 0,0008
aurkikuntza-data	1956
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	0.266%

¹⁴B

masa-zenbaki	14
neutron number	9
Atomo-Masa Erlatibo	14,02540401 ± 0,000022773 Da
g-factor	0,5925 ± 0,0025
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	12,36 ± 0,29 ms
spin	2
nuclear quadrupole moment	0,0297 ± 0,0008
aurkikuntza-data	1966
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	6.04%
2n (2-neutron emission)

¹⁵B

masa-zenbaki	15
neutron number	10
Atomo-Masa Erlatibo	15,031087023 ± 0,000022575 Da
g-factor	1,7726666666667 ± 0,01
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	10,18 ± 0,35 ms
spin	3/2
nuclear quadrupole moment	0,0379 ± 0,0011
aurkikuntza-data	1966
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	98.7%
2n (2-neutron emission)	1.5%

¹⁶B

masa-zenbaki	16
neutron number	11
Atomo-Masa Erlatibo	16,039841045 ± 0,000026373 Da
g-factor	0
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin	0
nuclear quadrupole moment	0
aurkikuntza-data	2000
parity	-

decay mode	intensity
n (neutron emission)

¹⁷B

masa-zenbaki	17
neutron number	12
Atomo-Masa Erlatibo	17,046931399 ± 0,000219114 Da
g-factor	1,7 ± 0,013333333333333
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	5,08 ± 0,05 ms
spin	3/2
nuclear quadrupole moment	0,0385 ± 0,0015
aurkikuntza-data	1973
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	63%
2n (2-neutron emission)	12%
3n (3-neutron emission)	3.5%
4n	0.4%

¹⁸B

masa-zenbaki	18
neutron number	13
Atomo-Masa Erlatibo	18,055601683 ± 0,00021918 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin	2
nuclear quadrupole moment
aurkikuntza-data	2010
parity	-

decay mode	intensity
n (neutron emission)	100%

¹⁹B

masa-zenbaki	19
neutron number	14
Atomo-Masa Erlatibo	19,064166 ± 0,000564 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	2,92 ± 0,13 ms
spin	3/2
nuclear quadrupole moment
aurkikuntza-data	1984
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	71%
2n (2-neutron emission)	17%
3n (3-neutron emission)	9.1%

²⁰B

masa-zenbaki	20
neutron number	15
Atomo-Masa Erlatibo	20,074505644 ± 0,000586538 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin	1
nuclear quadrupole moment
aurkikuntza-data	2018
parity	-

decay mode	intensity
n (neutron emission)	100%
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

²¹B

masa-zenbaki	21
neutron number	16
Atomo-Masa Erlatibo	21,084147485 ± 0,00059975 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin	3/2
nuclear quadrupole moment
aurkikuntza-data	2018
parity	-

decay mode	intensity
2n (2-neutron emission)	100%

historia

aurkitzailea edo asmatzailea	Sir H. Davy, J.L. Gay-Lussac, L.J. Thénard
aurkikuntzaren lekua	England/France
aurkikuntza-data	1808
etimologia	From Arabic and Persian words for borax.
pronunciation	BO-ron (ingelesa)

source

Abundance
Abundance in Earth's crust	10 mg/kg
natural abundance (ozeano)	4,44 mg/L
natural abundance (gizakiaren gorputza)	0,00007 %
natural abundance (Meteoroide)	0,00016 %
natural abundance (Eguzkia)	0,0000002 %
Abundance in Universe	0,0000001 %

Nuclear Screening Constants

1	s	0.3205
2	p	2.5786
2	s	2.4238

Boroa on ChemicalAid

AGROVOC ID	c_1018
Art & Architecture Thesaurus-en identifikatzailea	300264228
Australian Educational Vocabulary ID	scot/2755
BNCF identifikatzailea	31249
BnF	12140810z
Brockhaus Enzyklopädie online ID	bor-30
CAS zenbakia	7440-42-8
ChEBI-ren identifikatzailea	27560
ChemSpider-ren identifikatzailea	4575371
DSSTOX compound identifier	DTXCID503922
DSSTox substance ID	DTXSID3023922
DrugBank ID	11203
ECHA Substance Infocard ID	100.028.319
Encyclopædia Britannica Online-ren identifikatzailea	science/boron-chemical-element
Encyclopædia Universalis ID	bore
Freebase-ren identifikadorea	/m/025svlc
French Vikidia ID	Bore
GEC-en identifikatzailea	0085405
GND identifikadorea	4007709-3
Great Russian Encyclopedia Online ID	1878022
HSDB ID	4482
InChI	InChI=1S/B
InChIKey	ZOXJGFHDIHLPTG-UHFFFAOYSA-N
Italian Vikidia ID	Boro
KBpedia ID	Boron
KEGG-ren identifikatzailea	C06266
LCCN	sh85015871
LNB identifikadorea	000310483
Latvian National Encyclopedia Online ID	89038
MeSH identifikadorea	D001895
Mindat mineral ID	43412
NDF-RT ID	N0000148267
NDL-en identifikatzailea	00563492
NKC-ren identifikatzailea	ph118964
Namuwiki ID	붕소
National Library of Israel J9U ID	987007283095205171
OmegaWikiren esanahiaren definizioa	420
OpenAlex ID	C501308230
PSH identifikatzailea	5791
Pixiv Encyclopedia ID	ホウ素
Probes And Drugs ID	PD143904
PubChem-en identifikatzailea	5462311
Quora gaiaren identifikadorea	Boron
RxNorm ID	1705
Spanish Vikidia ID	Boro
Store norske leksikon ID	bor_-_grunnstoff
Treccani ID	boro
UK Parliament thesaurus ID	8744
UMLS CUI	C0006030
UNII	N9E3X5056Q
USGS Thesaurus ID	1412
WordNet 3.1 Synset ID	14656049-n
YSO ID	7591
ZVG number	8030

Boroa (B)

Propietate Fisiko

Magnitude Fisiko

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Isotopes of Boron

6B

7B

8B

9B

10B

11B

12B

13B

14B

15B

16B

17B

18B

19B

20B

21B

historia

source

Nuclear Screening Constants

⁶B

⁷B

⁸B

⁹B

¹⁰B

¹¹B

¹²B

¹³B

¹⁴B

¹⁵B

¹⁶B

¹⁷B

¹⁸B

¹⁹B

²⁰B

²¹B