cheminis rysys-joninis Flashcards

1
Q

cheminis rysys skirstomas

A

i jonini ir kovalentini

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2
Q

joninis rysys

A

tai rysys susidarantis tarp atomu kurie gali atiduoti salia atsiradusiam atomui viena ar kelis savo elektronus

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3
Q

joninis rysys susidaro tarp

A

labai skirtingu cheminiu savybiu elementu atomu, kurie turi dideli elektroneigiamumo skirtuma
ty kuriu vienas linkes elektronus atiduoti o kitas prisijungti

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4
Q

koks yra joninis rysys

A

tvirtas, todel jui sujungti atomai standartinemis salygomis yra kietos kristalines busenos medz

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5
Q

ar yra joninese medz molekuliu

A

nera, tik jonai

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6
Q

metalai yra ir

A

reduktoriai

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7
Q

metalai

A

cheminiai elementai kurie lengvai atiduoda paskutinio sluoksnio elektronus ( valentinius) virsdami teigiamais jonais

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8
Q

nemetalai

A

cheminiai elementai kurie prisijunge elektronus i isorini sluoksni virsta neigiamais jonais

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9
Q

nemetalai dar yra

A

oksidatoriai

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10
Q

elektoneigiamumas

A

elemento savybe prisitraukti elektronus

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11
Q

pats elektroneigiamiausias

A

fluoras

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12
Q

katijonas

A

atomas atisaves elektronus virtsa teigiamu jonu

metalai

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13
Q

anijonai

A

atomai prisijunge elektronus virsta neigiamu jonu

nemetalai

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14
Q

elementu elektroneigiamunu skirtumas ne mazesnis negu

A

1,5

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15
Q

maziausias elektrinis neigiamumas

A

cezio

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