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Not families, Periods (Apex)
a data table(NOT FOR SURE)
Vertical columns are called groups. Horizontal rows are called periods.
The water table is the very top layer of the zone of saturation, therefore separating it from the zone of aeration.
A table that divides up earths histoty into eons, eras,periods,and epochs
A table that divides up earths histoty into eons, eras,periods,and epochs
rows. the vertical columns are called periods
Periods have same shells. There are 7 periods in periodic table.
The rows of the periodic table are known as periods.
The Periods are the horizontal rows on the periodic table.
The periodic table has 7 periods on it.
Periods are horizontal rows. 7 periods are present in modern periodic table.
The rows in the periodic table are called periods. There are 7 periods in periodic table.
7 periods
the periods are the rows
The horizontal rows on the periodic table are periods.