Counting Atoms and Chemical Reactions

Front

What is the chemical formula for baking soda?

Back

NaHCO₃

Front

How many atoms are in one molecule of NaHCO₃?

Back

6

Front

What are the reactants in the chemical equation NaOH + HCl → NaCl + H₂O?

Back

NaOH and HCl

Front

What is a balanced chemical equation?

Back

A chemical equation where the number of atoms for each element is the same on both sides.

Front

How many copper (Cu) atoms are in the molecule Cu(NO₃)₂?

Back

1

Front

What is the product of the reaction 3Na + Cl₂ → 3NaCl?

Back

Sodium chloride (NaCl) is produced.

Front

What does it mean to balance a chemical equation?

Back

To ensure that the number of atoms of each element is equal on both sides of the equation.

Front

What is the chemical formula for methane?

Back

CH₄

Front

Identify the products in the reaction NaOH + HCl → NaCl + H₂O.

Back

NaCl and H₂O

Front

What is the significance of coefficients in a chemical equation?

Back

Coefficients indicate the number of molecules or moles of a substance involved in the reaction.