Bonding, Counting Atoms, and Balancing Chemical Equation Review

Front

What is an ionic bond?

Back

An ionic bond is formed by the transfer of electrons between metals and nonmetals, resulting in the formation of ions.

Front

What type of change is burning wood?

Back

Burning wood is an example of a chemical change.

Front

What happens to heat in exothermic reactions?

Back

In exothermic reactions, heat is released.

Front

What does the Law of Conservation of Matter state?

Back

The Law of Conservation of Matter states that matter is conserved in a reaction.

Front

How many elements are in the compound C2H8O?

Back

There are 3 elements in the compound C2H8O.

Front

What is a chemical change?

Back

A chemical change is a process where substances combine or break apart to form new substances.

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons between nonmetals.

Front

What is an example of a chemical reaction?

Back

An example of a chemical reaction is rust forming on a bicycle.

Front

What is the definition of an atom?

Back

An atom is the smallest unit of matter that retains the properties of an element.