Халогенна група - прости вещества

Халогенна група - прости вещества

7th Grade

10 Qs

quiz-placeholder

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Халогенна група - прости вещества

Халогенна група - прости вещества

Assessment

Quiz

Chemistry

7th Grade

Hard

Created by

Татяна Николова

Used 11+ times

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10 questions

Show all answers

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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