Тоқсандық қайталау

Quiz
•
Chemistry
•
9th Grade
•
Hard
Beka Toleu
Used 3+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Кремнийдің жер қыртысындағы мөлшері (%)?
27,9
27,6
27,4
27,1
2.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Кремнийдің электрондық конфигурациясы:
1s22s22p63s23p2
1s22s22p53s23p2
1s22s22p53s23p1
1s22s22p53s23p23d1
3.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Азот пен кальцийдің адам ағзасындағы үлесі (%)?
2,8 / 1,7
2,9 / 1,6
3,2 / 1,5
3,1 / 1,8
4.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Уытты металдар нешеге жіктеледі?
4
2
1
3
5.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Радиоактивтілік құбылысын кім және нешінші жылы ашты?
А. Беккерель, 1896 жылы
Дж. Пристли, 1770 жылы
Дж. Дальтон, 1808 жылы
Ф. Велер, 1828 жылы
6.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
β-сәуле бұл:
протондар ағыны
нейтрондар ағыны
электрондар ағыны
фотондар ағыны
7.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Берилий ядросындағы нейтрондар саны 14с6 :
5
13
8
9
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