Ammonium Sulfide and Its Properties

The video tutorial explains how to find the number of atoms in ammonium sulfide (NH4)2S. It begins by identifying the elements present: nitrogen, hydrogen, and sulfur. The tutorial then demonstrates how to count the atoms of each element, considering the chemical formula. It further explains how to calculate the number of atoms in one mole of ammonium sulfide using Avogadro's number. Finally, it discusses the ammonium ions present in the compound.

What elements are present in ammonium sulfide?

• Hydrogen, Oxygen, Carbon

• Carbon, Nitrogen, Oxygen

• Oxygen, Hydrogen, Sulfur

• Nitrogen, Hydrogen, Sulfur

How many hydrogen atoms are there in ammonium sulfide?

• 10

• 8

• 4

• 2

What is the total number of atoms in ammonium sulfide?

• 12

• 9

• 10

• 11

How do you calculate the number of nitrogen atoms in one mole of ammonium sulfide?

• Add 6.02 x 10^23

• Divide by 6.02 x 10^23

• Subtract 6.02 x 10^23

• Multiply by 6.02 x 10^23

What is Avogadro's number used for in this context?

• To find the mass of ammonium sulfide

• To calculate the number of atoms in a mole

• To determine the volume of ammonium sulfide

• To measure the density of ammonium sulfide

How many ammonium ions are present in ammonium sulfide?

• 1

• 2

• 3

• 4

What is the charge of an ammonium ion?

• Variable

• Positive

• Neutral

• Negative

Which of the following is the correct formula for ammonium ion?

• NH4-

• NH2-

• NH4+

• NH3