they always have open system'
The horizontal rows on the periodic table are called periods.
The rows of elements in the periodic table are called periods. There are a total of 7 periods in the periodic table, each representing a different energy level or shell in which the elements' electrons are arranged.
The rows in the periodic table are called periods. There are 7 periods in periodic table.
There are 7 periods in the modern periodic table.
The horizontal rows in the periodic table are known as periods. There are seven periods in the periodic table, each representing a different energy level or shell in which the elements' electrons are located.
rows. the vertical columns are called periods
periods are the rows and families are the columns
It is colouring alternating rows in different colours to help them stand out a bit easier when creating a formal list or table. They are coloured rows, often alternating neighbouring rows are different colours.
They are the horizontal rows in the periodic table
The periodic table of elements is the table that arranges different elements based on their common properties in rows and columns. It helps to organize and classify elements by their atomic number, electron configuration, and chemical properties.
The periodic table has 7 rows and 32 columns.
The horizontal rows are periods on periodic table. There are 7 horizontal rows in modern periodic table.