
Chemické prvky a atómy
Authored by Kristína Reľovská
Chemistry
2nd Grade
Used 4+ times

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42 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Obal atómu je zložený z vrstiev. Ako sú označené tieto vrstvy?
písmenami A - F od jadra
písmenami K - P od jadra
číslami 2 - 32 od jadra
číslami 1 - 7 od jadra
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ak sa zlúčia atómy rôznych prvkov, vznikajú:
molekuly prvkov
molekuly
molekuly zlúčenín
atómy prvkov
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Počet protónov je ....... ako počet elektrónov
väčší
rovnaký
odlišný
menší
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Elektrón je mikročastica:
bez náboja
so záporným elektrickým nábojom
s kladným elektrickým nábojom
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Olovo má značku:
Pt
Os
O
Pb
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Neutróny sa nachádzajú v:
obale atómu
jadre atómu
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Prvok charakterizuje (viac odpovedí je správnych):
značka
vzorec
názov
protónové číslo
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