Flashback 37

Front

What type of energy is tied to the position of an object?

Back

Gravitational energy is the energy an object possesses due to its position in a gravitational field.

Front

What is a pure substance?

Back

A pure substance is a material that has a constant composition and consistent properties throughout. Examples include elements and compounds.

Front

How many different types of molecules can exist in a mixture?

Back

A mixture can contain multiple types of molecules, but in this case, the answer is 2.

Front

What is a mixture of elements?

Back

A mixture of elements is a combination of two or more elements that are not chemically bonded together.

Front

What is an atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter. It is the total kinetic energy of particles in an object.

Front

What is elastic energy?

Back

Elastic energy is the potential energy stored in an object when it is compressed or stretched.

Front

What is a compound?

Back

A compound is a substance formed when two or more elements are chemically bonded together.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded and can be separated by physical means.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of only one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.