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Combining Cations & Anions to Name Ionic Compounds

Combining Cations & Anions to Name Ionic Compounds

Assessment

Interactive Video

Science, Chemistry

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

In this video, Kevin Tolkoff explains how to write chemical formulas for various compounds. He provides detailed examples, including calcium chloride, aluminum sulfate, aluminum phosphate, sodium nitride, and ferric perchlorate. The video emphasizes understanding ion charges and using them to determine the correct chemical formula. It also highlights the importance of writing ions first for partial credit in exams.

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge of calcium when writing the formula for calcium chloride?

1+

2-

2+

1-

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which group does aluminum belong to, and what is its charge in aluminum sulfate?

Group 4, 4+

Group 3A, 3+

Group 2, 2+

Group 1, 1+

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct formula for aluminum phosphate after simplifying?

Al3(PO4)3

Al3PO4

AlPO4

Al(PO4)3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge of sodium in sodium nitride?

1+

2+

3+

1-

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge of nitrogen in sodium nitride?

1+

2-

3-

1-

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge of iron in ferric perchlorate?

2+

3+

1+

4+

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many perchlorate ions are needed to balance the charge of iron in ferric perchlorate?

One

Four

Two

Three

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