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cl.7_Atom.Element chimic

Authored by Viorica Bludaru

Chemistry

Professional Development

Used 12+ times

cl.7_Atom.Element chimic
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Atom se traduce?

indivizibil

mișcător

stabil

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simbolul chimic este...

notarea convențională a atomului

masa atomului

numărul de atomi

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

elementul chimic constituie...

un anumit fel de atomi de acelaș fel

o particulă

masa atomului

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simbolul elementului oxigen este...

O

H

N

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

H se numește...

carbon

hidrogen

oxigen

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ar(O) =

8

10

16

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Elementul Z=6 este...

C

O

N

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