Atoms, Elements, Molecules, Compounds V2

Front

What part of an atom is negatively charged?

Back

Electrons are negatively charged particles in an atom.

Front

Is oxygen an atom, an element, or both?

Back

Oxygen is both an atom and an element.

Front

What are the three particles that make up an atom?

Back

Protons, neutrons, and electrons are the three particles that make up an atom.

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together.

Front

What part of an atom is positively charged?

Back

Protons are positively charged particles in an atom.

Front

Define an atom.

Back

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

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is the difference between an atom and a molecule?

Back

An atom is a single unit of an element, while a molecule is made up of two or more atoms bonded together.

Front

What are neutrons?

Back

Neutrons are neutral particles found in the nucleus of an atom.

Front

What is the nucleus of an atom?

Back

The nucleus is the central part of an atom, containing protons and neutrons.