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Element and valence

Authored by nyamsukh bayarsaikhan

Chemistry

9th Grade

Used 5+ times

Element and valence
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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 BLANK QUESTION

20 sec • 1 pt

Агаарын найрлагын 78%-ийг эзэлдэг элементийн химийн тэмдэг

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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