Ammonium and Sulfate Ion Concepts

The video tutorial explains how to write the formula for ammonium sulfate. It begins by identifying the ammonium ion (NH4+) and the sulfate ion (SO4 2-), both of which are not found on the periodic table. The tutorial then demonstrates how to balance the charges of these ions to achieve a net charge of zero, resulting in the formula (NH4)2SO4. The video concludes by explaining the ionic bond formation between the positive ammonium ions and the negative sulfate ion.

What is the chemical formula for the ammonium ion?

• NH4+

• NH3

• NH4-

• NH2-

Which element is bonded to four hydrogens in the ammonium ion?

• Oxygen

• Sulfur

• Carbon

• Nitrogen

What is the charge of the ammonium ion?

• 2+

• 2-

• 1+

• 1-

What is the chemical formula for the sulfate ion?

• SO4 2-

• SO3 2-

• SO3 1-

• SO4 1-

What is the charge of the sulfate ion?

• 1-

• 2+

• 2-

• 1+

How many ammonium ions are needed to balance the charge of one sulfate ion?

• One

• Three

• Four

• Two

What is the purpose of using parentheses around NH4 in the formula?

• To show multiple ions

• To indicate a single ion

• To highlight a positive charge

• To denote a negative charge

What is the final chemical formula for ammonium sulfate?

• (NH4)2SO3

• NH4SO3

• (NH4)2SO4

• NH4SO4

What type of bond is formed between the ammonium and sulfate ions?

• Covalent bond

• Metallic bond

• Ionic bond

• Hydrogen bond

Why are the ammonium and sulfate ions attracted to each other?

• They have opposite charges

• They are both positive

• They have no charge

• They have similar charges