
Халогенна група - прости вещества
Authored by Татяна Николова
Chemistry
7th Grade
Used 11+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Кои са елементите от халогенната група?
F, Cl, Br, Na
Li, Na, K, Rb
Cl, Br, I, F
Cl, Br, Na, I
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Простите вещества на халогенните елементи са:
метали
неметали
основи
киселини
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Спрямо кислородът Br, Cl и I проявяват:
първа валентност
втора валентност
променлива валентност
постоянна валентност
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Кой е най - тежкият елемент в халогенната група?
F
Cl
Br
I
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
При взаимодействие с метали Cl, Br и I проявяват:
първа валентност
втара валентност
променлива валентност
постоянна валентност
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Кой е химически най - активният елемент в халогенната група?
F
Cl
Br
I
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Единственият течен неметал в групата на халогеноводородите е:
Cl
Br
I
F
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