Hóa trị và CTPT

Hóa trị và CTPT

7th Grade

60 Qs

quiz-placeholder

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Hóa trị và CTPT

Hóa trị và CTPT

Assessment

Quiz

Chemistry

7th Grade

Medium

Created by

ThuyAi lynguyen

Used 2+ times

FREE Resource

60 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nguyên tố Na có hóa trị bao nhiêu?

I

II

III

IV

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hóa trị của nhóm OH là:

I

II

III

IV

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nguyên tố Oxi có hóa trị trong hợp chất là:

I

II

III

IV

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Trong hợp chất HCl, hóa trị của clo là:

I

II

III

IV

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hóa trị của nguyên tố Mg là:

I

II

III

IV

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Trong hợp chất H₂SO₄, nhóm SO₄ có hóa trị:

I

III

II

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hóa trị của nhóm NO₃ là:

I

II

III

IV

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