This page provides a comprehensive atomic structure worksheet designed to help students learn and practice key concepts about atoms. You’ll find engaging activities, definitions of essential terms, and questions to test your understanding. Perfect for mastering the foundational topics in atomic theory.
Essential concepts and terminology to understand this topic
The smallest unit of matter that retains the properties of an element.
The dense central core of an atom, containing protons and neutrons.
A positively charged subatomic particle found in the nucleus of an atom.
A subatomic particle with no charge, located in the nucleus of an atom.
A negatively charged subatomic particle that orbits the nucleus of an atom.
The number of protons in an atom's nucleus, determining the element.
The total number of protons and neutrons in an atom's nucleus.
Variants of an element with the same number of protons but different numbers of neutrons.
An atom or molecule that has gained or lost electrons, resulting in a charge.
The regions around an atom's nucleus where electrons are likely to be found.
Electrons in the outermost shell of an atom, determining its chemical properties.
A region around an atom's nucleus where electrons are likely to be found.
A chart that organizes all known elements by atomic number and chemical properties.
A unit used to express the mass of atomic and subatomic particles, equal to one-twelfth the mass of a carbon-12 atom.
Particles that make up an atom, including protons, neutrons, and electrons.
