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Chromium 3 Sulfate Concepts

Chromium 3 Sulfate Concepts

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Practice Problem

Hard

Created by

Amelia Wright

FREE Resource

The video tutorial explains how to write the formula for chromium(III) sulfate. It begins by identifying the element symbol for chromium and its charge as a transition metal. The tutorial then discusses the sulfate ion, emphasizing the importance of memorizing its formula. The crisscross method is introduced to balance the charges between chromium and sulfate, resulting in a neutral compound. Finally, the video verifies the derived formula, ensuring the net charge is zero.

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the element symbol for chromium in the formula for Chromium 3 Sulfate?

C

Cr

Ch

Cm

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What charge does the chromium ion have in Chromium 3 Sulfate?

2+

3+

4+

1+

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge of the sulfate ion?

2-

1-

4-

3-

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it recommended to memorize the sulfate ion?

It's not important in chemistry.

It's only used in advanced chemistry.

It's commonly encountered in chemistry.

It's rarely used in chemistry.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What must the total charge of a neutral compound be?

Negative

Positive

Zero

Variable

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What method is used to balance the charges in Chromium 3 Sulfate?

Cross-multiply

Substitution

Crisscross

Elimination

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct formula for Chromium 3 Sulfate?

Cr(SO4)2

CrSO4

Cr2(SO4)3

Cr3(SO4)2

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