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Potassium Carbonate and Ionic Bonds

Potassium Carbonate and Ionic Bonds

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Practice Problem

Hard

Created by

Aiden Montgomery

FREE Resource

The video tutorial explains how to draw the Lewis structure for potassium carbonate (K2CO3). It begins by identifying potassium as a metal and CO3 as a group of non-metals, forming an ionic compound. The tutorial details how potassium transfers its valence electron to the carbonate ion, resulting in a positive charge for potassium and a negative charge for the carbonate ion. This charge interaction forms the ionic bond. The video also discusses the neutrality of the compound and presents the Lewis structure, including an alternative representation. The tutorial concludes with a summary of the ionic compound's structure.

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of compound is formed when potassium bonds with the carbonate ion?

Ionic compound

Molecular compound

Covalent compound

Metallic compound

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many valence electrons does potassium lose to form K2CO3?

Three

Two

None

One

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which element in K2CO3 is responsible for transferring electrons?

Carbon

Oxygen

Calcium

Potassium

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of potassium in the formation of K2CO3?

It loses electrons

It forms covalent bonds

It remains neutral

It gains electrons

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What charge does the carbonate ion acquire after gaining electrons?

2+

1+

2-

1-

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the overall charge of the potassium carbonate compound?

Positive

Neutral

Negative

Variable

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the structural arrangement of potassium carbonate?

Gas

Amorphous solid

Array of repeating units

Single molecule

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