Semester 1 Vocab Final

Front

What are the orbitals of an atom?

Back

Regions in an atom where electrons are most likely to be found.

Front

An element is...

Back

A substance that cannot be broken down into simpler substances by chemical means.

Front

What is a substance?

Back

A type of matter with a definite composition and distinct properties.

Front

What is volume?

Back

The amount of space occupied by an object or substance.

Front

An observation is...

Back

The action or process of observing something or someone carefully or in order to gain information.

Front

What is an atom?

Back

The basic unit of a chemical element, consisting of protons, neutrons, and electrons.

Front

What is a molecule?

Back

A group of two or more atoms bonded together.

Front

What is a compound?

Back

A substance formed when two or more different elements are chemically bonded together.

Front

What is density?

Back

The mass of an object divided by its volume.

Front

What is a physical change?

Back

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