hypostyle
periods are the rows and families are the columns
keratin
The columns are known as groups.
The columns on the periodic table are called Groups.
There are 18 columns on the periodic table.They are called groups or families.
it is their prayer hall. Each person is separated with columns for privacy.
The vertical columns on a periodic table are called families, or groups. They share many characteristics, including atomic radii and how electron shells are filled.
doric i think
The columns are called groups (or, sometimes, families). The rows are called periods.
periods are the rows and families are the columns
keratin
it is momma toshbobs tootio
The only thing I can think of is table. If that does not answer your question, please ask another question worded in a different way.
The columns are known as groups.
The columns of the Town Hall stood tall as if they were carved stone giants. The boy divided his paper into columns and started organizing his ideas.
The vertical columns of a periodic table are called groups or families. They share similar chemical properties because they have the same number of valence electrons.
The vertical columns of the periodic table are called groups or families.