Milline on aatomi ehitus?
Kordamine kontrolltööks

Quiz
•
Chemistry
•
7th Grade
•
Easy
Katrin Käos
Used 2+ times
FREE Resource
68 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Aatomituum asub aatomi keskel, see on väike ja tihe.
Elektronkate ümbritseb aatomituuma.
Aatomituumas paiknevad prootonid ja neutronid.
Elektronkatte moodustavad tuuma ümber väga kiiresti liikuvad elektronid.
Elektronkatte moodustavad elektronkihid, millel paiknevad elektronid.
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Milline jõud esineb aatomi koostisosade vahel?
sama laenguga osakeste vahel (nt prooton ja prooton või elektron ja elektron) on tõukejõud
erineva lahenguga osakeste (nt prooton ja elektron) vahel on tõmbejõud
3.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Mida on joonisel kujutatud numbritega 1, 2, 3 ja 4? (vali õiged variant)
1.aatommass
2.keemilise elemendi nimetus
3.keemilise elemendi tähis
4.aatomnumber
1.aatomnumber
2.keemilise elemendi tähis
3.keemilise elemendi nimetus
4. aatommass
1.aatomnumber
2.aatommass
3.keemilise elemendi nimetus
4.keemilise elemendi tähis
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Mida näitab aatomnumber?
prootonite arvu
neutronite arvu
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Miks on aatomid väikestest mõõtmetest olenemata väga olulised? (vali õiged variandid)
Aatomid määravad aine omadused ja koostise.
Aatomid on kõigi ainete koostisosad.
Kõik keemilised reaktsioonid on seotud aatomite ümberkorraldumisega.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Milline laeng on prootonil?
+1
0
-1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Milline laeng on neutronil?
+1
0
-1
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