Sistemul periodic al elementelor

Sistemul periodic al elementelor

10th Grade

10 Qs

quiz-placeholder

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Sistemul periodic al elementelor

Sistemul periodic al elementelor

Assessment

Quiz

Physics

10th Grade

Practice Problem

Hard

Created by

Petru-Doru Balan

Used 48+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cate elemente chimice erau cunoscute in 1830?

17

34

54

118

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simbolul sodiului este ..

So

S

Na

N

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

sistemul periodic a fost creat de

Dalton

Mendeleev

Newton

Einstein

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mendeleev a zburat cu un balon pentru

a fotografia o eclipsa de Soare

a fotografia o eclipsa de Luna

a studia miscarea de rotatie a Pamantului

a studia proprietatile chimice ale aerului

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Criteriul dupa care Mendeleev a ordonat elementele chimice in "Tabela lui Mendeleev" a fost

in ordinea crescatoare a numerelor atomice Z

in ordinea descrescatoare a numerelor de masa A

in ordinea crescatoare a numerelor de masa A

in ordine alfabetica

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pentru a ordona elementele chimice, Mendeleev a folosit

calculatorul

site-ul wikipedia

carti de joc

cunostintele pe care le avea de la chimie din clasa a VIII-a

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mendeleev a fost de origine

poloneza

romana

franceza

rusa

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