Chemical and Physical Properties of Elements on Periodic Table

Atomic Radius

The distance from the center of an atom's nucleus to the outermost boundary of its electron cloud. Going right on periodic table - goes down. Going up on periodic table it goes down.

Effective Charge

The effective nuclear charge is the actual amount of positive charge experienced by an electron in a multi-electron atom. Going right on periodic table - goes up. Going up on periodic table it goes up.

Ionization Energy

The energy required to remove an electron from a gaseous atom or ion. Going right on periodic table - goes up. Going up on periodic table it goes up.

Electronegativity

A measure of an atom's ability to attract and bind with electrons in a chemical bond. Going right on periodic table - goes up. Going up on periodic table it goes up.

Electron affinity

The amount of energy released when an electron is added to a neutral atom or molecule & to form a negative ion. Going right on periodic table - goes up. Going up on periodic table it goes up.