Chemical Reactions

Front

What type of bond is formed between magnesium (Mg) and chlorine (Cl)?

Back

Ionic bond: A bond formed when electrons are transferred from one atom to another.

Front

What is a chemical reaction?

Back

A process where existing electron bonds break and reattach to other atoms, forming new substances.

Front

How do you balance a chemical equation?

Back

By ensuring the number of atoms of each element is the same on both sides of the equation.

Front

What happens in an endothermic reaction?

Back

Energy is absorbed from the surroundings.

Front

Where are the reactants located in a chemical equation?

Back

On the left side of the equation.

Front

What is the definition of a reactant?

Back

A substance that undergoes a chemical change in a reaction.

Front

What is a product in a chemical reaction?

Back

A substance that is formed as a result of a chemical reaction.

Front

What is the law of conservation of mass?

Back

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

Front

What is an exothermic reaction?

Back

A reaction that releases energy, usually in the form of heat.

Front

What is a catalyst?

Back

A substance that speeds up a chemical reaction without being consumed in the process.