Nickel(II) Chloride Concepts

The video tutorial explains how to write the formula for nickel(II) chloride by identifying the element symbols for nickel and chlorine from the periodic table. It discusses the ionic charges of these elements and uses the crisscross method to balance the charges, ensuring a net charge of zero. The tutorial verifies the formula and concludes with a summary of the process.

What is the element symbol for nickel?

• Ni

• Cl

• Ne

• Na

Which type of compound is formed between nickel and chlorine?

• Ionic

• Covalent

• Hydrogen

• Metallic

What is the ionic charge of nickel in nickel(II) chloride?

• 1+

• 2+

• 1-

• 2-

What is the ionic charge of chlorine in nickel(II) chloride?

• 1+

• 2+

• 1-

• 2-

What method is used to balance the charges in nickel(II) chloride?

• Substitution

• Elimination

• Crisscross

• Cross-multiplication

How many chlorine atoms are needed to balance the charge of one nickel atom in nickel(II) chloride?

• 1

• 2

• 4

• 3

What is the net charge of the compound nickel(II) chloride?

• 1-

• 2-

• 0

• 1+

What is the correct chemical formula for nickel(II) chloride?

• Ni2Cl2

• NiCl

• NiCl2

• Ni2Cl

Who is the presenter of the video tutorial?

• Dr. A

• Dr. D

• Dr. C

• Dr. B