periods are the rows and families are the columns
The columns are groups or families, and the rows are periods.
False; That would be called groups. Periods are horiztonal rows.
The horizontal rows on the Periodic Chart are called Periods.The vertical columns on the are called Groups, or sometimes Families.
They are called periods because after each period in the following period elements are ordered according to their properties at the intersection with vertical columns (groups) and these properties are periodically reproduced.
periods are the rows and families are the columns
The columns are groups or families, and the rows are periods.
the rows of the Periodic Table are called groups or families and the rows are called periods
The columns are called groups (or, sometimes, families). The rows are called periods.
groups
The horizontal rows are known as periods. The vertical columns are known as groups / families.
A horizontal row is called a period .
Families (or groups) are the vertical columns of the periodic table. Period is horizontal rows.
No. The horizontal rows of the periodic table are called periods. The vertical columns are called groups, and sometimes called families.
False; That would be called groups. Periods are horiztonal rows.
The vertical rows on the periodic table are called groups.The vertical rows are called periods and the horizontal columns are called groups.
Rows are called periods while the columns are called groups or families.