Niyakari,Ni28
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Niyakari
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Ratidziko:
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Niyakai ino:
- kuhwinya,
- rusimbi,
- sirivha ne kaundarama
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chidzikwe cheuremu
wehatomuAr°(Ni):
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- 58.6934±0.0004
- 58.693±0.001 (abridged)
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Numeri yehatomu (Z)
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28
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Boka:
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boka 10
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Piriyodhi:
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piriyodhi 4
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Bhuroku:
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d-bhuroku
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Jenganiso yemhodzigetsi:
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[Ar] 3d84s2or[Ar] 3d94s1
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Mhodzigetsi mu-shell:
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2, 8, 16, 2or2, 8, 17, 1
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Miriki dzemutumbi:
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Fezi pa STP
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godo
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Poyindi yekunyeuka:
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1728 K (1455 °C, 2651 °F)
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Poyindi yekufanza:
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3003 K (2730 °C, 4946 °F)
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Dhenisi (pedyo ne-r.t.)
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8.908 g/cm3
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Semutuvi (pam.p.)
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7.81 g/cm3
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Dziya yekunyenguka:
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17.48 kJ/mol
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Dziya yekupfunga:
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379 kJ/mol
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Molar heat capacity
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26.07 J/(mol·K)
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Vapor pressure
P(Pa)
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1
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10
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100
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1 k
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10 k
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100 k
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atT(K)
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1783
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1950
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2154
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2410
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2741
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3184
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Miriki dze ruhatomu
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Umiriro we rututsiro:
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−2, −1, 0, +1,+2,+3, +4
(a mildly basic oxide)
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Electronegativity
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Pauling scale: 1.91
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Ito (eneji) dzekunonda:
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- 1st: 737.1 kJ/mol
- 2nd: 1753.0 kJ/mol
- 3rd: 3395 kJ/mol
- (more)
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Rhedhiyasi yehatomu:
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empirical: 124 pm
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Rhedhiyasi
yegombedzwana:
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124±4 pm
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Rhedhiyasi ye
vhandewaarusi:
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163 pm
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Niyakari(kurevanickel,kubva paChiarabhu:النيكلalniykal) kanaNikerukutodzaChingezi,inhangande ye chemishonga inoshandisaNisechiratidzo uye ine numeri ye hatomu ya 28. Isimbi inohwinya uye yechisirivha-chenainekaundrama kainako. Niyakari isimbi youdarikirayakaoma uyeinopambadzirwa.Niyakari tsvene inorhiyekta pazvechemishonga asi zvidimbu zvikuru zvinorhiyekta noupore-pore nemweya mumakondisheni echidzikwenekutihwadarekupasivha (kurevapassivation) remafomu eniyakari yechivututsiro pachisoinodzivirira kumwekun'ura.Zvakadaro, niyakari tsvene inowanikwa muchigoko cheRinopasimuuwandu ushoma, karuzhinji inowanikwa mumatombo e-ultramafic, uye nemu maintiriya enyurukodzikuru dzeniyakari-utaredzisinakugangaridzwakuoksijeni dziri kunze kweguteromweyare Rinopasi.