It is called an Ellipsis and looks like this ...
each row in the Periodic Table is called a period.
vertically they're called groups and horizontally periods
A row of elements is known as a Period, while a column is known as a group, or family.
rows are called periods columns are known as groups
The horizontal rows in the periodic table are called periods
The vertical "rows" are called Columns, and the horizontal "rows" are called Periods
periods
each row in the Periodic Table is called a period.
vertically they're called groups and horizontally periods
A row of elements is known as a Period, while a column is known as a group, or family.
The rows are called periods. And the columns are called groups.
The time periods are called quarters and there are four of them.
The horizontal rows of the periodic table are called Periods and the vertical rows are called groups.
A row of elements across the periodic table is called a period. Periods represent the number of electron shells in an atom.
rows are called periods columns are known as groups
Rows are called periods while the columns are called groups or families.
The horizontal rows in the periodic table are called periods