Scientific Theory of Atoms

Front

What is a substance that contains one kind of atom and cannot be broken down into a simpler form?

Back

Element

Front

What is a state of matter with no definite shape or volume?

Back

Gas

Front

What is the basic particle from which all elements are made; the smallest particle of an element that has the properties of that element?

Back

Atom

Front

What is a small, positively-charged particle that is found in the nucleus of an atom?

Back

Proton

Front

What is a state of matter that has no definite shape but has a definite volume?

Back

Liquid

Front

What is the negatively charged particle that orbits the nucleus of an atom?

Back

Electron

Front

What is the center of an atom called, which contains protons and neutrons?

Back

Nucleus

Front

What is the term for the number of protons in the nucleus of an atom, which determines the element?

Back

Atomic Number

Front

What is the term for the average mass of an element's isotopes, weighted by their natural abundance?

Back

Atomic Mass

Front

What is a particle with no charge found in the nucleus of an atom?

Back

Neutron