Element and valence
Authored by nyamsukh bayarsaikhan
Chemistry
9th Grade
Used 5+ times
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17 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Hydrogen хэдэн валенттай вэ?
I
1
2
3
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Oxygen химийн тэмдгийг сонгоно уу?
Na
o
N
O
3.
FILL IN THE BLANKS QUESTION
20 sec • 1 pt
Агаарын найрлагын 78%-ийг эзэлдэг элементийн химийн тэмдэг
(a)
4.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Be, Mg, Ca эдгээр элементүүд нь хэдэн валенттай вэ?
two
three
one
four
5.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Хлор I валенттай
True
False
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
H
Li
Na
K
бүлгийн дагуу ижил валенттай байдаг. Эдгээр бүгд....валенттай
2
1
I
II
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Энэ ямар элемент вэ? C
азот
кобальт
нүүрстөрөгч
зэс
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