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Atom tuzilishi va tarkibi bo'yicha test

Authored by Bekzodbek Ergashev

Chemistry

11th Grade

Atom tuzilishi va tarkibi bo'yicha test
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Atomning massasi deyilganda ... tushiniladi.

yadrodagi neytronlarning umumiy massasi;

yadrodagi protonlar soni.

yadrodagi elektronlarning umumiy massasi;

yadrodagi protonlar va neytronlarning umumiy massasi;

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Elementning massa soni nimadan tashkil topadi?

protonlar sonidan;

proton va neytronlar soni yig’indisi;

neytronlar sonidan;

proton va neytronlar ayirmasidan;

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

U 235 yadrosidagi neytron va protonlar sonini hisoblang.

143 va 92;

145 va 90;

145 va 143;

143 va 90;

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kaliyning K40 izotopida nechtadan proton, neytron va elektron bo’ladi?

21,19,19;

19,20,20;

19,21,19;

20,19,19;

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Izotoplar joylashgan qatorni ko’rsating.

40Ar, 40K, 40Ca;

41K, 41Ca, 41Se;

16O, 32S, 12C;

16O, 17O, 18O;

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Izobarlar joylashgan qatorni ko’rsating.

12C, 35Cl, 80Br;

11C, 12C, 13C;

40Ar, 40K, 40Ca;

32S, 40Ar, 40K;

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quyidagi uran izotoplarida (U238 va U235) nechtadan neytron bor?

145 va 143;

143 va 146;

146 va 143;

144 va 143;

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