
Atoms un atoma kodols
Flashcard
•
Physics
•
12th Grade
•
Hard
Ilga Blumberga
FREE Resource
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26 questions
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1.
FLASHCARD QUESTION
Front
Kāds ir atoma vidējais izmērs?
Back
10-10 m
Answer explanation
Atoma vidējais izmērs ir aptuveni 10-10 m, kas ir pareizā atbilde. Citas izvēles, piemēram, 10-10 cm un 10-6 m, ir nepareizas, jo tās neatbilst atoma izmēra mērogiem.
2.
FLASHCARD QUESTION
Front
Back
8
Answer explanation
Ķīmiskajā elementā _8^{16}O, skaitlis 8 norāda uz protonu skaitu, kas ir vienāds ar elektronu skaitu neitrālā atomā. Tādējādi pareizā atbilde ir 8.
3.
FLASHCARD QUESTION
Front
Back
nuklonu skaitu kodolā
Answer explanation
Atoma kodola pierakstā A norāda nuklonu skaitu, kas ir protonu un neitronu kopskaits kodolā. Tādējādi pareizā atbilde ir "nuklonu skaitu kodolā".
4.
FLASHCARD QUESTION
Front
Kas ir nukloni?
Back
protoni un neitroni
Answer explanation
Nukloni ir atomu kodolu sastāvdaļas, kas ietver protonu un neitronu. Tādējādi pareizā atbilde ir "protoni un neitroni", jo tie abi veido kodolu, kamēr elektroni atrodas ap kodolu.
5.
FLASHCARD QUESTION
Front
Kāds ir kodolspēku darbības rādiuss?
Back
kodolspēks ārpus kodola nepastāv
Answer explanation
Kodolspēks pastāv tikai atomu kodolos, tādēļ ārpus kodola tas nepastāv. Tādējādi pareizā atbilde ir, ka kodolspēks ārpus kodola nepastāv.
6.
FLASHCARD QUESTION
Front
Kad notiek alfa sabrukšana?
Back
ja atoma kodols zaudē divus protonus un divus neitronus
Answer explanation
Alfa sabrukšana notiek, kad atoma kodols zaudē divus protonus un divus neitronus, veidojot alfa daļiņu. Šī ir pareizā atbilde, jo citi varianti neapraksta alfa sabrukšanas procesu.
7.
FLASHCARD QUESTION
Front
Back
atoma kodola viens protons pārvēršas par neitronu
Answer explanation
Beta mīnus sabrukšanas laikā atoma kodola viens protons pārvēršas par neitronu, izdalot elektronu un antineitronu. Tādējādi kodols kļūst stabilāks, un šī ir pareizā atbilde.
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