
Ковалента ХВ
Flashcard
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
Hristi Petrova
FREE Resource
Student preview

10 questions
Show all answers
1.
FLASHCARD QUESTION
Front
Какво е химична връзка?
Back
Връзката, която се образува между градивните частици на веществата
2.
FLASHCARD QUESTION
Front
Кои градивни частици от атома участват в реакциите между веществата?
Back
Електроните
3.
FLASHCARD QUESTION
Front
Какви са двата основни вида химична връзка?
Back
Ковалентна ХВ и йонна ХВ
4.
FLASHCARD QUESTION
Front
Какви са двете причини за свързването на атомите?
Back
1. Постигане на устойчив външен електронен слой на атомите
2. Понижаване на енергията на атомите
5.
FLASHCARD QUESTION
Front
Какво е важно, за да могат два електрона да образуват електронна двойка?
Back
Да бъдат с противоположни спинове
6.
FLASHCARD QUESTION
Front
Какво е ковалентна химична връзка?
Back
При ковалентната ХВ двата атома споделят общи електронни двойки, т.е. те принадлежат и на двата атома
7.
FLASHCARD QUESTION
Front
Какво наричаме "обща електронна двойка"?
Back
Електроните на два атома, свързани чрез ковалентна ХВ
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