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Look at the following chemical equation. Hg + O2 = HgO2 How many atoms are on each side of the equation?

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To solve this problem, look at each side of the equation individually.

1. First look at the reactant side: Hg + O2

There is one Hg (Mercury) and two O (Oxygen)

1+2= 3

There are 3 atoms on the reactant side

2. Then look at the product side: HgO2

There is one Hg and 2 oxygens yet again

1+2=3

There are three atoms on each side of the equation. You can simply count the atoms or remember the Law of Conservation of Mass.

There are three atoms present on each side of the equation.

What is a Chemical Equation?

  • It is a chemical reaction which is represented by the symbols and elements that indicates the types and amount of substance present in the reactant and product.
  • It also represents the physical states of the reacting substances.
  • Every chemical equation has two sides, reactant side and product side.

Given: Chemical Equation

Hg + O₂ → HgO₂

Now, each element present on the reactant and product side is  considered as an atom.

Elements present on the reactant side are Hg and O₂.

Hg = 1 atom

O₂ = O + O = 2 atoms

Total = 3 atoms

Compound present on the product side is HgO₂.

Hg + O₂ = Hg + O + O

Total = 3 atoms

Therefore, for a given chemical equation there are three atoms present on each side of the equation.

Learn more about the Chemical Equation here: https://brainly.com/question/9476287?referrer=searchResults

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