Chemistry Review 2024

Front

Define Reactants

Back

The starting substances in a chemical reaction.

Front

How many different elements are in the compound Carbon Dioxide?

Back

2

Front

What are the products in the reaction: 2Na + 2H2O → 2NaOH + H2?

Back

2NaOH + H2

Front

True or False: Atoms separate, rearrange, and new bonds form in a chemical reaction.

Back

TRUE

Front

Characteristics used to describe a substance are called _________.

Back

Properties

Front

What is a chemical reaction?

Back

A process where substances (reactants) transform into new substances (products).

Front

What is the law of conservation of mass?

Back

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

Front

What are products in a chemical reaction?

Back

The substances produced as a result of a chemical reaction.

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances.

Front

What is a compound?

Back

A substance formed when two or more elements chemically bond together.