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Chemija. Joninis ryšys

Authored by Rasa Kucinskiene

Chemistry

1st - 2nd Grade

Used 113+ times

Chemija. Joninis ryšys
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Ką reiškia simbolis Fe3+

geležies(II) jonas

geležies jonas

geležies(III) jonas

fluorido jonas

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kuris simbolis yra oksido jono?

O

O 2+

O2-

O-

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kalis jungiasi su siera. Kokia šio junginio formulė?

KS

KS2

K2S

K4S2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kuris junginio FeO pavadinimas yra teisingas? (pgl. sisteminę nomenklatūrą)

geležies (I) oksidas

geležies (III) oksidas

geležies (II) oksidas

geležies oksidas

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kuri formulė yra vario (II) fluorido?

CuF

Cu2F

CuF2

Cu2F2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Koks jono CO2-3 pavadinimas?

amonio jonas

sulfato jonas

karbonato jonas

hidroksido jonas

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kuri formulė yra vario (I) oksido?

Cu2O

CuO

CuO2

Cu2O2

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