Counting Atoms and Chemical Reactions

Front

What is the formula for one molecule of serotonin?

Back

C10H12N2O

Front

How many total atoms are in a molecule of serotonin (C10H12N2O)?

Back

25

Front

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

Back

NaOH and HCl

Front

What does it mean for a chemical equation to be balanced?

Back

A balanced chemical equation has the same number of each type of atom on both sides of the equation.

Front

Identify the balanced chemical equation: 3Na + Cl2 --> 3NaCl or CO2 + H2O --> C6H12O5 + O2?

Back

3Na + Cl2 --> 3NaCl

Front

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

Back

1

Front

Where are reactants located in a chemical equation?

Back

On the left side of the arrow.

Front

What is a chemical reaction?

Back

A process that involves the rearrangement of the molecular or ionic structure of a substance.

Front

What is the law of conservation of mass?

Back

In a chemical reaction, mass is neither created nor destroyed.

Front

What is a product in a chemical reaction?

Back

The substances that are formed as a result of a chemical reaction.