Periodic Trends and Atomic Properties Flashcards

Flashcards on periodic trends, atomic radius, valence electrons, ionization energy, electron affinity, and electronegativity based on lecture notes.

Valence Electron

A negatively charged particle in the outermost shell of the atom.

Periodic Law

Properties that tend to change in a predictable way.

Atomic Radius

Describes the distance between the nucleus and its outermost electron shell.

Ionic Radius

Distance from the nucleus to the outermost orbital of an ion.

Ionization Energy

The minimum amount of energy required to remove an electron from an atom.

Electron Affinity

The energy change that occurs when an electron is added to a gaseous atom.

Electronegativity

An atom’s tendency to attract electrons.

Atomic Radius Trend

Increases from right to left and top to bottom on the periodic table.

Ionization Energy Trend

Increases from left to right and bottom to top on the periodic table.

Electronegativity Trend

Increases from left to right and bottom to top on the periodic table.