Nickel 3 Phosphate Concepts

This video tutorial explains how to write the chemical formula for nickel 3 phosphate. It begins by identifying the element symbol for nickel and its charge, indicated by the Roman numeral III. The tutorial then discusses the phosphate ion, a polyatomic ion with a charge of 3-. The video emphasizes the importance of balancing the charges to achieve a neutral compound, resulting in the formula NiPO4. The tutorial concludes with a summary of the process and the final formula.

What is the element symbol for nickel in the formula for nickel 3 phosphate?

• Ne

• N

• Ni

• Nk

What does the Roman numeral III indicate in nickel 3 phosphate?

• The number of phosphate ions

• The charge on the nickel ion

• The atomic number of nickel

• The number of nickel atoms

Which of the following is a polyatomic ion?

• Ni

• PO4

• N

• O2

What is the charge on the phosphate ion?

• 2-

• 1+

• 3+

• 3-

Why must the charges in nickel 3 phosphate add up to zero?

• To make it a polyatomic ion

• To ensure it is a neutral compound

• To match the periodic table

• To balance the equation

What is the correct formula for nickel 3 phosphate?

• NiPO4

• Ni3PO4

• Ni(PO4)3

• Ni3(PO4)2