Atomic number
Chinese equivalent: 原子序数
Atomic number The number of protons in the nucleus of an atom, which defines the element's position in the periodic table.
Syllabus path: Chemical Theories and Laws › Atomic Structure and Periodic Law
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CSCA Chemistry Exam Glossary
Definition
Atomic number The number of protons in the nucleus of an atom, which defines the element's position in the periodic table.
Related tutorial and examples
Atomic Structure and Periodic Law
Atomic Structure and Periodic Law Core Concepts and Learning Objectives This section is the microscopic starting point of chemical theory. We will start from the internal structure of atoms, understand the fundamental reasons for periodic changes in elemental properties, and mast…
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