Nickel and Chlorine Compounds

The video tutorial explains how to write the chemical formula for Nickel(III) Chloride. It begins by identifying the element symbols for Nickel and Chloride, noting that Nickel is a transition metal with a 3+ charge. Chloride, derived from chlorine, has a 1- charge. The tutorial describes the process of treating the combination as an ionic compound, emphasizing the need to balance the charges to achieve a neutral compound. By using subscripts, the charges are balanced, resulting in the formula NiCl3. The video concludes with a recap of the formula and its components.

What is the element symbol for nickel?

• Ni

• Nl

• Nk

• Nc

What charge does nickel have in nickel 3 chloride?

• 1+

• 4+

• 2+

• 3+

Which group on the periodic table does chlorine belong to?

• Group 1

• Group 14

• Group 18

• Group 7A

Why is nickel 3 chloride considered a neutral compound?

• Because it has more electrons than protons

• Because the charges of nickel and chloride balance each other

• Because it is a gas at room temperature

• Because it is a non-metal

What is the purpose of the subscript '3' in the formula NiCl3?

• To represent the atomic mass

• To indicate the number of nickel atoms

• To balance the charge of nickel

• To show the number of chlorine atoms

What is the final formula for nickel 3 chloride?

• Ni3Cl

• NiCl3

• NiCl2

• NiCl