
Atom tuzilishi va tarkibi bo'yicha test
Authored by Bekzodbek Ergashev
Chemistry
11th Grade

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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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