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Legea periodicității

Authored by Stela Burcovschi

Chemistry

10th Grade

Used 10+ times

Legea periodicității
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10 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Este cel mai activ metal din grupa I.

Na

Fr

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Are proprietăți bazice mai pronunțate.

CaO

MgO

BaO

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Posedă cea mai înaltă electronegativitate.

F

N

O

H

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Formează compus hidrogenat cu formula generală EH3.

O

N

C

Na

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Formează oxid superior cu formula generală EO2.

C

Cl

Ca

Na

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Are proprietăți oxidante mai pronunțate.

Cl

F

I

Br

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Este un reducător mai puteric.

Al

Mg

Na

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