Zinc Compounds and Naming Conventions

The video tutorial explains how to name the compound ZnCl2. It begins by identifying ZnCl2 as a binary ionic compound composed of a metal and a non-metal. The naming process involves using the periodic table to identify the elements: zinc (Zn) and chlorine (Cl), with the latter's ending changed to 'ide' to form 'zinc chloride'. The video highlights zinc's unique property as a transition metal with a consistent +2 charge, eliminating the need for Roman numerals in its name. Additionally, the video notes the covalent character of ZnCl2, which sometimes leads to the alternative name 'zinc dichloride', though 'zinc chloride' remains the official name.

What type of compound is ZnCl2 classified as?

• Ternary compound

• Binary ionic compound

• Covalent compound

• Molecular compound

When naming ZnCl2, what suffix is used for the nonmetal?

• -ous

• -ite

• -ate

• -ide

What is the name of the metal in ZnCl2 as it appears on the periodic table?

• Zirconium

• Zinc

• Zircon

• Zircaloy

Why is it unnecessary to use Roman numerals when naming zinc in ZnCl2?

• Zinc has a variable charge

• Zinc is always two plus

• Zinc is not a transition metal

• Zinc is a nonmetal

What is the consistent ionic charge of zinc in compounds?

• Four plus

• Three plus

• Two plus

• One plus

What alternative name might you sometimes see for ZnCl2 due to its covalent character?

• Zinc tetrachloride

• Zinc chloride

• Zinc dichloride

• Zinc trichloride

What is the official name for ZnCl2?

• Zinc trichloride

• Zinc chloride

• Zinc dichloride

• Zinc tetrachloride