Family is a synonym for group.
Do you mean as in the periodic table of elements? Do you mean in the family of precious metals? the table
You mean "Do all elements have light?"
A family of elements is a group (column) of the Periodic Table. The family of an element is the column it is in in the Periodic Table. In a family of elements, they all have similar properties. An Example of a Family of Elements;The Alkali Metals - Group 1LithiumSodiumPotassiumRubidiumCaesiumFrancium
All elements in the oxygen family have 6 electrons in the outer orbit.
Fluorine, chlorine, bromine, iodine, and astatine. All of the elements in the halogen family are nonmetals.
What they have in common is that the ones of the same family is that they all have a close amount of protons.
The Actinide series.
If by "elements" you mean Types:FireGrassWaterElectricIcePsychicDragonDarkRockSteelGroundBugFlyingPoisonGhostNormalFighting(17 in all)
a family of the periodic table is like a group of elements of the same type.
A family of elements (Or Chemical Family) is used to describe a group of related elements. For example, copper, silver, and gold all belong to the same chemical family. These 3 elements are often referred to as the coinage metals. These elements share several common properties.
Elements in the same family (or group) have the same amount of electrons in their outer shell. For Example, all elements in Group 1 have 1 electron in their outer shells.
Lithium, sodium and potassium are all in the first family.