Sodium Nitride and Ionic Compounds

Sodium Nitride and Ionic Compounds

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Practice Problem

Hard

Created by

Ethan Morris

FREE Resource

The video tutorial explains how to write the formula for sodium nitride by identifying sodium and nitrogen on the periodic table. It discusses the nature of ionic compounds, emphasizing the need to balance charges between metals and non-metals. Sodium has a +1 charge, while nitrogen has a -3 charge. By using three sodium atoms, the charges are balanced, resulting in the formula Na3N. The crisscross method is also demonstrated to verify the formula.

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the symbol for sodium as found on the periodic table?

Si

S

Na

N

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is sodium nitride considered an ionic compound?

It is made of noble gases.

It is made of two metals.

It is made of two non-metals.

It is made of a metal and a non-metal.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What charge does sodium typically have?

+1

-1

+2

-2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many sodium atoms are needed to balance the charge of one nitrogen atom?

Four

Three

Two

One

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for sodium nitride?

NaN3

Na3N

Na2N

NaN

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the crisscross method, what number is moved from nitrogen to sodium?

3

2

1

4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final confirmed formula for sodium nitride?

NaN3

Na3N

Na2N

NaN

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