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Chemija 2 skyrius medžiagų sudėtis > Medžiagų sudėtis > Flashcards

Medžiagų sudėtis Flashcards

1
Q

FE

A

geležis- ferum

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2
Q

AG

A

sidabras- argentum

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3
Q

CU

A

varis- kuprum

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4
Q

AU

A

auksas- aurum

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5
Q

HG

A

gyvsidabris- hydrangyrum

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6
Q

PB

A

svinas- pliumbum

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7
Q

m1

A

w*m2

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8
Q

m2

A

m1:w

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9
Q

w

A

m1:m2

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10
Q

Protonas

A

simbolis P+, kruvis +1, mase 1, spalva raudona

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11
Q

Neutronas

A

simbolis n0, kruvis 1, mase 0, spalva raudona

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12
Q

Elektronai

A

simbolis e-, kruvis n.d, mase -1, spalva melyna

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13
Q

Metalai atidave isorinio sluoksnio elektronus…

A

tampa teigiamaisiais jonais. Ju kruvis priklauso nuo isorinio sluoksnio e-

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14
Q

Ne metalai prisijunge elektronus tampa…

A

neigiamaisiais jonais

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15
Q

Inertines dujos…

A

neutralio dujos

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16
Q

Anglies izotopas

A

archeologijoje nustatomos iskasenu amzius

17
Q

7 pagr cheminiai elementai

A

polonis, radis, aktinis, toris, protaktinis, uranas, radonis

18
Q

Izotopas-

A

to paties cheminio elemento atomas, turintis po lygiai protonu, bet skiriasi neutronu skaicius

19
Q

Branduoli sudaro

A

protonai ir neutronai

20
Q

Atomo centre yra

A

branduolys

21
Q

Protonai ir neutronai turi

A

vienoda mase

22
Q

Protono kruvis

A

+1

23
Q

Neutrono kruvis

A

0

24
Q

Aplink branduoli skrieja

A

elektronai

25
Q

Elektrono kruvis

A

-1

26
Q

Kiekviename atome yra vienodas

A

protonu ir elektronu skaicius

27
Q

Atomas virsta kruvi turincia dalele, jonu

A

atidaves ar prijunges viena ar daugiau elektronu

28
Q

Teigiamasis jonas

A

netekes vieno ar daugiau elektronu igauna teigiamaji kruvi

29
Q

Neigiamasis jonas

A

prijunges viena ar daugiau elektronu atomas igyja neigiamaji kruvi

30
Q

sudaryti is tu paciu elementu

A

zemes pluta, gyvieji organizmai, visata

31
Q

gamtoje randami

A

94

32
Q

dirbtiniu budu

A

24

33
Q

Protis

A

raudonas 1,1 H

34
Q

Deuteris

A

raudonas, juodas 2,1 H

35
Q

Tritis

A

Raudonas, juodi 3,1 H

36
Q

Radioaktyvus

A

elementai savaime spinduliuojantys energija

37
Q

radioaktyvumas

A

savaiminis atomu branduoliu skilimas

Chemija 2 skyrius medžiagų sudėtis (1 decks)

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