Overview
Atomic properties and notation are fundamental concepts in chemistry that help us understand the building blocks of matter. The atomic number and mass number are key identifiers for elements, while isotopes provide insight into variations within those elements. Understanding electron configuration i...
Key Terms
Example: Oxygen has an atomic number of 8.
Example: Carbon-12 has a mass number of 12.
Example: Carbon-14 is an isotope of carbon.
Example: The electron configuration of oxygen is 1s² 2s² 2p⁴.
Example: The nucleus is very dense compared to the rest of the atom.
Example: The number of protons defines the element.