Magnesium Chlorate and Ionic Compounds

The video tutorial explains how to write the formula for magnesium chlorate. It begins by identifying magnesium and chlorate ions, then discusses the ionic charges of these components. The tutorial introduces the crisscross method to balance the charges and finalize the formula. The process is verified to ensure the net charge is zero, resulting in the correct formula for magnesium chlorate.

What is the chemical symbol for magnesium?

• Mg

• Mn

• Ma

• Mc

Which of the following is a polyatomic ion?

• O2

• ClO3-

• Cl

• Mg

What is the ionic charge of magnesium?

• 2+

• 1+

• 2-

• 1-

What is the charge of the chlorate ion?

• 2-

• 1-

• 1+

• 2+

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

• Cross-multiply method

• Crisscross method

• Substitution method

• Addition method

Why do we use parentheses in the formula for magnesium chlorate?

• To highlight the charge

• To show the number of magnesium atoms

• To separate different elements

• To indicate a polyatomic ion

How many chlorate ions are needed to balance the charge of one magnesium ion?

• One

• Four

• Two

• Three

What is the net charge of a correctly balanced magnesium chlorate compound?

• 2-

• 0

• 1+

• 1-

What is the final formula for magnesium chlorate?

• MgCl2O3

• Mg(ClO3)2

• MgClO3

• Mg2ClO3

Who is the presenter of the magnesium chlorate formula tutorial?

• Dr. A

• Dr. B

• Dr. C

• Dr. D