The horizontal lines are called "periods" and show how many "shells" each atom has
The horizontal rows in the Periodic Table are called periods. The vertical columns are called groups.
The vertical groups in the periodic table are called GROUPS or FAMILIES.
Also columns is a common word.
The rows (Horizontal) are called Periods and the Columms (Vertical) are called Groups.
number of protons
Arranging the Periodic Table by atomic number rather than Atomic Mass was first suggested by a British man named Henry Moseley in 1913. Before that point, the periodic table was organized by atomic mass, and has several inconsistencies and problems.
It is called the Periodic Table of Elements.
Mendeleev invented the legendary periodic table and their is a university and chemical element named after him.
periods
These rows are named periods.
The horizontal rows on the periodic table are periods. Groups are the vertical columns on the periodic table.
The horizontal rows on the periodic table are periods. Groups are the vertical columns on the periodic table.
Yes. the horizontal rows on the periodic table are called periods.
The horizontal rows on the periodic table are called periods.
They are the horizontal rows in the periodic table
A period on the periodic table is a row.This is the horizontal section of the periodic table.
A horizontal row on the periodic table of elements is called a period.
The horizontal rows are periods on periodic table. There are 7 horizontal rows in modern periodic table.
The rows (Horizontal) are called Periods and the Columms (Vertical) are called Groups.
Yes!The elements are arranged in horizontal rows and vertical columns to represent what is called the periods on the periodic table.