cl.7_Atom.Element chimic
Authored by Viorica Bludaru
Chemistry
Professional Development
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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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