Ionic Compounds and Potassium

Ionic Compounds and Potassium

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Practice Problem

Hard

Created by

Mia Campbell

FREE Resource

The video tutorial explains how to write the formula for potassium bromide by identifying the elements involved, potassium (K) and bromine (Br), and their respective ionic charges. It highlights the importance of balancing these charges to achieve a net charge of zero, resulting in the formula KBr. The tutorial concludes with a summary of the process and the final formula.

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which element is represented by the symbol 'K'?

Calcium

Potassium

Sodium

Krypton

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of compound is formed when a metal and a non-metal combine?

Molecular

Covalent

Ionic

Metallic

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the ionic charge of potassium in potassium bromide?

1-

2+

1+

2-

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why must the charges in an ionic compound add up to zero?

To make the compound magnetic

To make the compound colorful

To make the compound visible

To make the compound stable

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct formula for potassium bromide?

K2Br2

KBr2

K2Br

KBr

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