Metall elek Flashcards

1
Q

Metalli omadused

A

Hea elektrijuhtivus
Hea soojusjuhtivus
Tahked toatemperatuuril
iseloomulik läige
plastilisus
enamik hästi sepitsevad
enamik halli värv
o.a on alati positiivne

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2
Q

metalli omadused soltuvus perioodis

A

tugenevad omaduused ryhmast ülevalt alla kuna kasvab elektronide arv
suureneb perioodis paremalt vasakule

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3
Q

millest soltuvad metallide omadused

A

oleneb sellest kui kiiresti aatomid loovutavad elektrone

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4
Q

metall plus
hape
vee
sool

A

fe+HNO3=FeNo3+H2
Fe+H2O=KOH=H2
Fe=CuSO4=FeSO4+Cu

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5
Q

mida nim sulamiks

A

kahe v enama mitte metalli segu voi metalli aj mittemetalli

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6
Q

kuidas saaadakse al

A

al saadakse boksiidist

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7
Q

raua roostetamine ja kuidas valtida

A

roostetamine on korrisioon ja seda saab valtida roostevaba sulamitega varminine voi olitus

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8
Q

al ja fe omadused 5

A

fe hobevalge
raske metall
tihedus 7.9g/cm3
hea elektri juhtivus
hea soojusjuht
al
kerge
mittemagneetiline
hea elektrijuht
plastiline
vaike mehaaniline vastupidavus

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9
Q

dural

A

duralumiinium sisaldab al ja cu natuke mg ning teda kasutatakse lennukiehituses

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10
Q

terase ja malm,i erinevus

A

terases on susunikusisaldus alla 2 prosa
malmil on susinikusisaldus yle 2 prosa

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11
Q

sulamid

A

pronks cu sn
roostevabateras fe cr ni

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12
Q

milline on raua yl inimese organismis

A

osaleb hapniku transportimises veres

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13
Q

kuidas toodeldakse rauda

A

kuumades korgahjudes kus lisaks maagile kasutatakse kakoksi

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14
Q

elektrol[[t

A

aine mis lahustub vees ioonideks

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15
Q

tugev elektroluut

A

lahustub taielikult ioonideks

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16
Q

nork elektroluut

A

lahustub osaliselt ioonideks

17
Q

mitteelektroluut

A

ei lahustu ioonideks

18
Q

tugevad elektroluudid

A

HNO3 H2SO4 HCL HBR HI 1 ja 2 a al ca

19
Q

norgad elek

A

H2SO3 HNO2 H3PO4 PbOH4

20
Q

mitteelek