Химична връзка 11 клас
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
Tanya Boyadzhieva
Used 1+ times
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23 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
В молекулата на СО2 има:
две σ- връзки и две π- връзки
две σ- връзки
една π- връзка
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
В кой ред всички вещества имат ковалентна полярна връзка?
HCl, NaCl, Cl2
H2O, NH3, CCl4
O2, H2O, CO2
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Какъв вид връзка се образува между атоми с еднаква електроотрицателност?
йонна
ковалентна неполярна
ковалентна полярна
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Колко σ- връзки има в молекулата на бензена?
6σ- връзки
12σ- връзки
2σ- връзки
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Коя връзка е най- здрава?
C-С
С=С
C☰ С
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Тройната връзка се състои от:
три σ- връзки
две σ- и 1π- връзки
1 σ- и 2 π- връзки
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Коя от следните молекули е неполярна и съдържа полярни връзки?
NH3
СН4
НСl
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