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10. klase. Atoma uzbūve un radioaktivitāte

Authored by Agija Lāce

Science

10th Grade

Used 3+ times

10. klase. Atoma uzbūve un radioaktivitāte
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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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