
Atom. Element chimic
Authored by Mihaela M
Science
7th Grade
Used 3+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Numărul atomic Z reprezintă
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Reprezintă simbolurile chimice ale unor metale
Ca
Pb
Br
K
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Elementul al cărui simbol nu începe cu litera S este
sulf
Sodiu
Siliciu
staniu
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Sunt metale alcaline (din grupa 1)
Litiu
Calciu
Potasiu
Aluminiu
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Sunt halogeni (elemente din grupa 17 - VII A)
siliciu
clor
fluor
brom
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Nu este un gaz nobil
neon
kripton
azot
heliu
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Au pe ultimul strat 2 electroni
beriliu
aluminiu
magneziu
bariu
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