Question

determine whether the following equation is balanced- k + mgbr → kbr + 2 mg
the equation is not balanced because there are more magnesium atoms in the products than the reactants.
the equation is balanced.
the equation is not balanced because there are three atoms of bromine in the products and reactants.
the equation is not balanced because there are more potassium atoms in the reactants than the products.

Explanation:

Step1: Count potassium (K) atoms

Reactants: 1 K atom. Products: 1 K atom.

Step2: Count magnesium (Mg) atoms

Reactants: 1 Mg atom. Products: 2 Mg atoms.

Step3: Count bromine (Br) atoms

Reactants: 1 Br atom. Products: 1 Br atom.

Since the number of magnesium atoms is different on the reactant and product sides, the equation is not balanced.

Answer:

The equation is not balanced because there are more magnesium atoms in the products than the reactants.