7
21
There are 18 families. They are made according to the properties of elements. So the elements in a group has similar properties.
There are 18 families. They are made according to the properties of elements. So the elements in a group has similar properties.
In chemistry, a family is a group of elements that have similar properties and react in a similar way. There are 18 families in the periodic table, each with their own unique characteristics and trends. These families are commonly referred to as groups and are labeled from 1 to 18 on the periodic table.
There are 53 Elements in the Periodic Table.
there are precisely 118 elements on the periodic table.
The columns represent groups or families of elements. There are 18 of them.
It's 118 chemical elements in the periodic table.
The Periodic Table has 118 elements and counting...
There are 38 transition elements in the periodic table.
118 elements are in the periodic table of elements; some of them are still unnamed (January 2013).
The periodic table of elements does not contain laws, only elements.