Mercury II Chloride Concepts

The video tutorial explains how to write the formula for mercury II chloride using the periodic table. It discusses the nature of ionic compounds, focusing on the charges of mercury and chlorine. The crisscross method is used to balance these charges, ensuring a net charge of zero. The tutorial concludes by verifying the formula and confirming its correctness.

What is the element symbol for mercury?

• Cl

• Hg

• Mg

• Mn

Which of the following is a non-metal in mercury II chloride?

• Sodium

• Chlorine

• Mercury

• Potassium

What is the charge of mercury in mercury II chloride?

• -2

• -1

• +2

• +1

What is the charge of chlorine in mercury II chloride?

• -2

• -1

• +1

• +2

What method is used to balance the charges in ionic compounds?

• Substitution method

• Balancing method

• Addition method

• Crisscross method

In the crisscross method, what happens to the charge numbers?

• They are subtracted

• They are added

• They are multiplied

• They are swapped

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

• Two

• Three

• One

• Four

What is the net charge of mercury II chloride?

• -1

• +1

• +2

• 0

What is the final chemical formula for mercury II chloride?

• Hg2Cl

• Hg2Cl2

• HgCl2

• HgCl