Counting Atoms and Balancing Equations pt 1

Front

What is the molecular formula for glucose?

Back

C₆H₁₂O₆

Front

How many atoms of hydrogen are in one molecule of water (H₂O)?

Back

2

Front

What is the term for the substances that undergo a chemical change in a reaction?

Back

Reactants

Front

In the compound (NH₄)₂CrO₄, how many nitrogen atoms are present?

Back

2

Front

What is the total number of atoms in the compound C₂H₈O?

Back

12 (2 Carbon, 8 Hydrogen, 1 Oxygen)

Front

How do you determine the number of atoms of an element in a compound?

Back

By using the subscripts in the chemical formula.

Front

What is the significance of balancing a chemical equation?

Back

It ensures that the law of conservation of mass is followed, meaning the number of atoms of each element is the same on both sides of the equation.

Front

How many magnesium atoms are in the compound 10MgCl₂?

Back

10

Front

What is the term for the products formed in a chemical reaction?

Back

Products

Front

In the equation Fe + S → FeS, what are the reactants?

Back

Fe and S