
І нұсқа
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Medium
nursulu serikbaeva
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Берілген суретте валенттілік электрондары 1s22s22p63s1 болатын элементті анықтаңыз
А) Li
В) B
С) K
D) Na
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Атомда орналасқан элементтің протон, нейтрон, электрон санын анықтап, ядро зарядын өрнектеңіз: 31
15 P
А) +15 Р (+15р, 16n) -15e
B) +15 Р (+15р, 16n) 15e
C) 15 Р (+15р, 16n) -15e
D) +15 Р (15р, 16n)-15e
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. N= 2n2 формуласымен анықтайды:
A) ұяшық
В) протон саны
D) энергетикалық деңгей
Е) электрондар саны
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Электрондардың өз білігінен айналуы -
A) ұяшық
B) спин
C) ядро
D) орбиталь
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Авогадро тұрақтысы
А) 6,2*1023
В) 6,02*1023
С) 6,002*1023
D) 6,02*1024
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Зат мөлшерінің өлшем бірлігі -
A) масса
B) грамм
C) моль
D) пайыз
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Бөлмеде 18,02*1023 молекула оттек бар. Оттектің зат мөлшерін есептеңіз
А) 1,4 моль
В) 4,03 моль
С) 2,99 моль
D) 2,13 моль
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