10. klase. Atoma uzbūve un radioaktivitāte
Authored by Agija Lāce
Science
10th Grade
Used 3+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cik protonu ir bromam (Br)?
79
80
35
45
11
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cik neitronu ir bromam (Br)?
79
80
35
45
11
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cik elektronu ir bromam (Br)?
79
80
35
45
11
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cik liela ir broma (Br) atommasa?
79
80
35
45
11
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Selēnam (Se) ir sastopami vairāki izotopi, piem., Se-76, Se-78 un Se-80. Kas šajos gadījumos ir 76, 78 un 80?
Se izotopu lādiņš
Se izotopu neitronu skaits
Se izotopu protonu skaits
Se izotopu atommasa
6.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Selēnam (Se) ir sastopami vairāki izotopi, piem., Se-76, Se-78 un Se-80. Kuram vai kuriem Se izotopiem kodolā ir 34 protoni? (var atzīmēt vairākas atbildes)
Se-76
Se-78
Se-80
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Selēnam (Se) ir sastopami vairāki izotopi, piem., Se-76, Se-78 un Se-80. Kuram Se izotopam kodolā ir 44 neitroni?
Se-76
Se-78
Se-80
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