Trends and periodic terms
Atomic Radius
The atomic radius of a chemical element is a measure of the size of its atoms, usually the mean or typical distance from the nucleus to the boundary of the surrounding cloud of electrons
Ionic Radius
The radius exhibited by an ion in an ionic crystal where the ions are packed together to a point where their outermost electronic orbitals are in contact with each other.
Groups- In chemistry, a group (also known as a family) is a column of elements in the periodic table of the chemical elements. There are 18 numbered groups in the periodic table
Ionization Energy
The atomic radius of a chemical element is a measure of the size of its atoms, usually the mean or typical distance from the nucleus to the boundary of the surrounding cloud of electrons
Electronegativity
Electronegativity is a measure of the tendency of an atom to attract a bonding pair of electrons. The Pauling scale is the most commonly used.
Periods-In the periodic table of the elements, elements are arranged in a series of rows (or periods) so that those with similar properties appear in a column.
Valance electrons- a valence electron is an electron that is associated with an atom, and that can participate in the formation of a chemical bond.
Orbitals- An energy state in the atomic model which describes where an electron will likely be.