K7_4AtomszerkMolekula
7th Grade
•23 Qs
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K7_4AtomszerkMolekula
Quiz
•
Chemistry
•
7th Grade
•
Hard
Réka Borbás
Used 6+ times
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23 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Az alábbiak közül melyek az elemi részecskék? Több jó válasz is lehetséges
atom
proton
elektron
atommag
molekula
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Melyik a molekula helyes definíciója?
Kovalens kötéssel összetartott atomok halmaza.
Semleges, atomokból álló kis részecskehalmaz.
Két atomból álló, kötő elektronpárral összetatott atomok halmaza.
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Melyik párosítás helyes?
periódus - a periódusos rendszer vízszintes sorai
elektronhéj - az atommag körül az elektronfelhő
vegyértékelektron - az atomban lévő elektronok száma
izotóp - az atommagban lévő eltérő neutronok száma
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Hány vegyértékelektronja van a halogéneknek?
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Mennyi a rendszáma az oxigénnek?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mennyi a moláris tömege az oxigénmolekulának?
16
16 g/mol
32
32 g/mol
7.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
Hány vegyértékelektronja van az alkáli földfémeknek?
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