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Potassium and Permanganate Concepts

Potassium and Permanganate Concepts

Assessment

Interactive Video

•

Chemistry

•

9th - 10th Grade

•

Practice Problem

•

Hard

Created by

Jackson Turner

FREE Resource

The video tutorial explains how to write the formula for potassium permanganate. It begins by identifying potassium on the periodic table with the symbol 'K'. Permanganate, a polyatomic ion not found on the periodic table, is identified as 'MnO4-'. The tutorial explains that potassium has a charge of +1, while permanganate has a charge of -1. These charges must balance to form a neutral ionic compound, resulting in the formula KMnO4. The video concludes with a summary of the process.

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the symbol for potassium on the periodic table?

Pt

Po

K

P

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge of the permanganate ion?

3+

1-

2-

1+

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a polyatomic ion?

K

O2

MnO4-

H2O

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge of potassium in potassium permanganate?

1+

2+

3-

1-

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct formula for potassium permanganate?

KMnO2

KMnO3

KMnO4

K2MnO4

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