Ionic Charges and Balancing Equations

This video tutorial explains how to balance the chemical equation for beryllium and chlorine gas, resulting in beryllium chloride. It covers counting atoms on each side of the equation, balancing the equation, and understanding the ionic charges involved in forming a neutral compound. The video concludes with a summary of the balanced equation.

What is the first step in balancing a chemical equation?

• Counting the atoms on each side

• Adding coefficients to the products

• Removing excess reactants

• Changing the chemical formulas

When balancing the equation for Be + Cl2, what assumption is made if no coefficient is written?

• The coefficient is zero

• The coefficient is two

• The coefficient is one

• The coefficient is three

What does a balanced chemical equation ensure?

• More atoms on the reactant side

• Equal number of each type of atom on both sides

• More atoms on the product side

• Different types of atoms on each side

Why is the compound formed in the reaction Be + Cl2 called beryllium chloride?

• Chlorine is in group 2 of the periodic table

• Beryllium and chlorine form a neutral compound

• Chlorine has a 2+ ionic charge

• Beryllium is in group 1 of the periodic table

What is the ionic charge of beryllium in the compound BeCl2?

• 2+

• 1-

• 1+

• 2-

How do the ionic charges of beryllium and chlorine balance in BeCl2?

• Beryllium's 2- charge balances with two chlorine atoms each having a 1+ charge

• Beryllium's 1+ charge balances with one chlorine atom having a 1- charge

• Beryllium's 2+ charge balances with two chlorine atoms each having a 1- charge

• Beryllium's 1- charge balances with one chlorine atom having a 1+ charge