
Chemija. Joninis ryšys
Authored by Rasa Kucinskiene
Chemistry
1st - 2nd Grade
Used 113+ times

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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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