Chimie_anorganică_recapitulare_1
Quiz
•
Chemistry
•
9th Grade
•
Medium
MIHAELA IONICA
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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Izotopii unui element chimic au același număr de protoni în nucleu
adevărat
fals
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Elementele chimice cu număr atomic par au numai orbitali complet ocupați în învelișul electronic al atomilor
adevărat
fals
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Caracterul metalic este o proprietate periodică a elementelor chimice
adevărat
fals
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reacția dintre sodiu și apă este o reacție rapidă
adevărat
fals
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1. Referitor la atomii și este adevărată afirmația 147 N 199 F
au același număr de nucleoni
au un număr egal de substraturi ocupate cu electroni
au același număr de electroni pe ultimul strat
au un număr egal de orbitali monoelectronici
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se dizolvă în tetraclorură de carbon
apa
hidroxidul de sodiu
iodul
clorura de sodiu
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Despre combinația complexă [Cu(NH3)4](OH)2 este adevărat că:
ionii hidroxid au rol de liganzi
ionul complex are sarcină negativă
moleculele de amoniac au rol de liganzi
numărul de coordinare este 2
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