Elementul cu numărul atomic Z = 13 face parte din blocul de elemente s

ATOMUL - PARTEA V

Quiz
•
Science
•
9th Grade
•
Medium
IRINA MARIN
Used 4+ times
FREE Resource
24 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A
F
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atomul elementului cu numărul atomic Z = 16
formează ioni divalenți pozitivi
are 3 orbitali monoelectronici
are 4 electroni de valență
formează ioni divalenți negativi
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Masa relativă a protonului este aproximativ egală cu masa relativă a neutronului
A
F
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atomii izotopilor unui element au același număr de protoni în nuclee
A
F
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Numărul atomic Z reprezintă:
numărul electronilor de pe ultimul strat
numărul protonilor
numărul neutronilor
numărul straturilor ocupate cu electroni
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Într-un ion negativ, numărul protonilor din nucleu este mai mare decât numărul electronilor din învelişul electronic
A
F
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Electronii dintr-un orbital complet ocupat:
au aceeaşi energie şi spin opus
au energie diferită şi acelaşi spin
au aceeaşi energie şi același spin
au energie diferită şi spin opus
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