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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.
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What are the horizontal rows on the periodic table?
The rows (Horizontal) are called Periods and the Columms (Vertical) are called Groups.
The elements of the Periodic Table are arranged in horizontal rows according to each successive element's greater?
number of protons
Who organized the periodic table by atomic number?
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.
What did medeleev discover or do?
Mendeleev invented the legendary periodic table and their is a university and chemical element named after him.
What is a chart that lists all the known elements?
It is called the Periodic Table of Elements.
'What are the horizontal groupings in the periodic table named?
periods
What are the horizontal rows part of the periodic table called?
These rows are named periods.
Are periods on the periodic table horizontal?
Yes. the horizontal rows on the periodic table are called periods.
What are periods in the periodic table?
They are the horizontal rows in the periodic table
What is the horizontal row across the periodic table?
A horizontal row on the periodic table of elements is called a period.
What are the horizontal rows elements called on a periodic table?
The horizontal rows are periods on periodic table. There are 7 horizontal rows in modern periodic table.
What are the horizontal rows on the periodic table?
The rows (Horizontal) are called Periods and the Columms (Vertical) are called Groups.
What are the horizontal from left to right parts of the periodic table called?
The horizontal rows in the periodic table are called periods.
What is each horizontal row i the periodic table called?
Each horizontal row in the periodic table is called a period.
What do you call the horizontal sections of the periodic table?
The horizontal sections of the periodic table are called periods.
What is the horizontal line on the periodic table?
The Horizontal row on the table is called a period
Horizontal row in the periodic table?
A horizontal row in the periodic table is called a period. There are seven periods in the periodic table, labeled from 1 to 7. Each period represents the energy levels of the elements within that row.
