Summary
Samenvatting Hst 12 materialen vwo 6 nova
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samenvatting van hoofdstuk 12 materialen vwo 6. Uit boek nove scheikunde vwo 6
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Material enMacroniveau mesonived microniveau
Doormenswaarneembare Manierwaaropdeeltjesop Nivea van atomen ionen
Kenmerhen en meetbare microniveau en moleculen
zijngeordend
tot groterestructure
eigenschappen van stoffen
en Materiaten
Metalen
Hard taai vervormbaarglanzend hogegeleidbaarheld enmengbaarheld
Metaalrooster positiefgeladenatoomresten en elektronen dievrijkunnen bewegen
Detegengesteldgeladen deeltje trekheneluaaraan en vormen metaalbindingen
Keramiek
Allematerialen die door verhittingblijvend harderzijngeworden
Tijdensbakproces bewegendedeeltjes zich in een guns tigerpositie ten opzichte
van ethaar onderlingebindingssternte wordt vergroot
Zirconium Iu oxde is ionogeen Keramien want vormt ionrooster
Sicilium
carbide iscovalente keramiek want vormtatoomrooster
polymeren
t d
Polymeren zijn aan elkaargehoppelde monomeren
Langemoleculen vor men sterke vanderwaalsbindingen
Amorf Kristallijn
Lange moleculen liggen doorelkdargekronheld Polymeermoleculen parralet gerangschilet
Afstandtussenpolymeren groter onderlingeafstand polymeermoleculenminima
derwaatshrachten relate we agg
no
Weekmakers verzwakhende vanderwaalsbindingen nestelentussen polymerenwaardoor
afstandtussenpolymeren toeneem t en vanderwaalskrachten ofneemt
Thermoplast Thermoharder
Kansmelten en isrecyclebaar crosslinks atom dwarsverbindingen aanwe
zig
lose polymeerketens lineairestructuur netwerkstructuur en Kan das niet smelten
moleculaire stoffen zouten metalen
moleculen ionen metaalatomen
atoombindingen Ionbindingen metaalbindingen
polaire atoom- apolaire atoom- ion-dipool interacties
bindingen bindingen
molecuulbindingen
H-bruggen dipool-dipool Vanderwaals-
interacties Krachten
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