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Why are there two rows of elements separated from the others underneath the rest of the table?
Wiki User
∙ 6y ago
to prevent the table from getting too wide for a reasonable sized sheet of paper
Wiki User
∙ 6y ago
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What elements in the periodic table that are separated with greatest difficulty?
noble gases or f-block elements
How can you identify the elements in a family on the periodic table?
every column on the table represents a family that react similarly with other elements.
How many elements are listed on the modern periodic table?
As of 2009, there are 118 elements on the periodic table. Of those, 92 occur in nature. The others are artificially created.
Why was the periodic table written?
the periodic table is a table to help remember or hold all the elements and shows the alkali metals and non metals and the others
Which answer best explains how the modern periodic table was derived?
The modern periodic table was derived out of scientific curiosity. The table was meant to explain why certain elements would combine with certain others but not all others.
Can elements be separated by chemical means?
It means that elements can be separated by their chemical simulatries as they are on the periodic table of elements.
The periodic table of elements has 116 elements that have been separated based on their?
the number of protons.
What elements in the periodic table that are separated with greatest difficulty?
noble gases or f-block elements
Why are the elements on the periodic table separated into periods?
They are put into periods based on their number of electron shells.
What substances are element?
All of the substances found in the Periodic Table are considered as elements. None others are.
How do you find mass Numbers of an element?
Mass number is the number underneath the elements letter on the Periodic Table.
How can you identify the elements in a family on the periodic table?
every column on the table represents a family that react similarly with other elements.
What comment can you make about the elements on the periodic table that are found directly underneath anthor element?
These elements have the same number of bonding electrons. They also have similar properties.
Which element family is usually shown separated frome the main part of the periodic table?
f block elements (lanthanides and actinides) are placed below the periodic table
How many elements are listed on the modern periodic table?
As of 2009, there are 118 elements on the periodic table. Of those, 92 occur in nature. The others are artificially created.
Why was the periodic table written?
the periodic table is a table to help remember or hold all the elements and shows the alkali metals and non metals and the others
Which answer best explains how the modern periodic table was derived?
The modern periodic table was derived out of scientific curiosity. The table was meant to explain why certain elements would combine with certain others but not all others.
