
ATOMUL -PARTEA 3
Authored by IRINA MARIN
Science
9th Grade
Used 5+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Într-un strat electronic, energia orbitalilor s este mai mare decât energia orbitalilor p
A
F
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atomii elementelor din aceeaşi grupă principală au un număr egal de straturi ocupate cu electroni
A
F
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Au acelaşi număr de electroni de valenţă:
oxigenul şi sulful
sodiul şi fluorul
sodiul şi magneziul
magneziul şi oxigenul
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Specia chimică cu configurație stabilă de octet este:
Li+
F
O2-
Mg
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Elementele chimice cu numerele atomice 12 și 13 sunt situate în aceeași grupă a tabelului periodic
A
F
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Numărul protonilor din nucleul unui atom este egal cu numărul electronilor din învelișul electronic al acestuia
A
F
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Electronii din substratul p al unui atom au aceeași energie
A
F
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