Magnesium and Nitrate Compounds

Magnesium and Nitrate Compounds

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Practice Problem

Hard

Created by

Liam Anderson

FREE Resource

The video tutorial explains how to write the formula for magnesium nitrate. It starts by identifying magnesium and nitrate ions using the periodic table and a table of polyatomic ions. The tutorial then discusses the ionic nature of the compound and the importance of balancing charges. The crisscross method is introduced to determine the correct subscripts for the formula. Finally, the tutorial verifies the formula to ensure accuracy.

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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the chemical symbol for magnesium?

Mg

Mn

Ma

M

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a polyatomic ion that ends with 'ate'?

Oxide

Sulfide

Nitrate

Chloride

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge of the nitrate ion (NO3)?

1+

2-

2+

1-

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which group of the periodic table is magnesium found?

Group 4

Group 1

Group 2

Group 3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge of a magnesium ion?

2-

2+

1-

1+

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What method is used to balance the charges in magnesium nitrate?

Cross-multiplication

Crisscross method

Substitution method

Addition method

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do we use parentheses around the nitrate ion in the formula?

To indicate it is a polyatomic ion

To show it is a metal

To highlight it is a liquid

To denote it is a gas

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