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Within a horizontal row, mass of the elements increases as you go to the right. This is because as the atomic number increases, so does the number of protons and electrons.
This means that the total mass of the atom also increases because protons weigh approximately 1 Atomic Mass unit.
Generally a single element's mass will change (and stay the same element) only if the number of neutrons changes in the nucleus. Although an element's mass does change by the loss of electrons, it is exceptionally negligible. Should an element change in mass by losing a proton, it then becomes a different element entirely.
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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.
What are the horizontal groupings in the periodic table named?
The horizontal lines are called "periods" and show how many "shells" each atom hasThe horizontal rows in the periodic table are called periods. The vertical columns are called groups.
The elements of the Periodic Table are arranged in horizontal rows according to each successive element's greater?
number of protons
What is significant about the elements within the same period of the periodic table?
They have similar chemical properties.
What is a chart that lists all the known elements?
It is called the Periodic Table of Elements.
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.
What statement applies to the horizontal rows or periods in the periodic table?
The statement applies to the horizontal rows or periods in the periodic table is that properties change going across each row.
What statement applies to the horizontal rows or periods in the periodic table.?
The statement applies to the horizontal rows or periods in the Periodic Table is that properties change going across each row.
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 a periods on the periodic table?
Periods on the periodic table refer to the horizontal rows that categorize elements based on the number of electron shells they have. There are a total of 7 periods on the periodic table, each representing a different energy level for the elements within that row.
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.
