Mercury and Hydroxide Compounds

The video tutorial explains how to write the formula for mercury(I) hydroxide. It begins by identifying mercury as a transition metal with a +1 ionic charge. The hydroxide ion, OH-, has a -1 charge. The video demonstrates how these charges balance to form a neutral compound, resulting in the formula HgOH. The tutorial concludes with a summary of the process and the final formula.

What does the Roman numeral 'I' indicate in the name Mercury(I) Hydroxide?

• The number of mercury atoms

• The number of hydroxide ions

• The oxidation state of mercury

• The charge of the hydroxide ion

What is the element symbol for mercury?

• Mn

• Mg

• H

• Hg

What is the ionic charge of mercury in Mercury(I) Hydroxide?

• 1+

• 0

• 1-

• 2+

What is the formula for the hydroxide ion?

• H2O

• O2-

• OH-

• OH+

How do the charges in Mercury(I) Hydroxide balance to form a neutral compound?

• 1+ and 1-

• 2+ and 2-

• 1+ and 1+

• 0 and 0