Zinc Nitride Chemistry Concepts

The video tutorial explains how to write the formula for zinc nitride. It begins by identifying the element symbols for zinc and nitrogen, then discusses their ionic charges. The tutorial uses the crisscross method to derive the formula Zn3N2, ensuring the compound is neutral. The process is verified by checking the charges, confirming the formula is correct.

What is the symbol for zinc in the periodic table?

• ZN4

• ZN3

• ZN2

• ZN

What does the suffix 'ide' in nitride indicate about the element?

• It is a gas

• It is a metal

• It is nitrogen

• It is a compound

What is the ionic charge of zinc?

• 4+

• 2+

• 1+

• 3+

Which group in the periodic table does nitrogen belong to?

• Group 16

• Group 17

• Group 15

• Group 14

What is the ionic charge of nitrogen in zinc nitride?

• 2-

• 1-

• 4-

• 3-

What method is used to balance the charges in zinc nitride?

• Cross method

• Parallel method

• Crisscross method

• Diagonal method

How many zinc ions are needed to balance with two nitride ions?

• Four

• One

• Two

• Three

What is the net charge of zinc nitride?

• 1-

• 2-

• 0

• 1+

What is the correct formula for zinc nitride?

• Zn4N

• Zn3N2

• Zn2N3

• ZnN

Who is the presenter of the zinc nitride formula tutorial?

• Dr. B

• Dr. A

• Dr. C

• Dr. D