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Answered 2008-05-04 07:35:50

some elements in the Periodic Table are left blank because the elements with those atomic numbers are yet to be discovered.

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How many blank spaces were in mendeleeves periodic table?

There were 3 blank spaces in mendeleev's periodic table. He left it for the elements which were not discovered at that time.


How did mendeleev explain blank spaces left in his periodic table?

The blank spaces are for undiscovered elements.


Why did mendeleev leave blank spaces on his periodic table?

Mendeleev left blank spaces because certain elements on the periodic table were not known at that time. He knew that in the future, those elements would be found and placed on the periodic table.


What a periodic table?

the periodic table is the table of elements that exist in the world. mandelevees discovered these elements a long time ago. he left three blank spaces because they were not discovered yet. these three elements are now found in the modern periodic table.


What are radioactive elements on the periodic table?

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Elements on left side of periodic table-?

The elements that are found on the left side of the periodic table are alkali metals.


What are elements on the left side of the periodic table called?

In general, the elements on the left side of the periodic table are metals. The elements in group 1 at the far left side of the periodic table are called alkali metals.


What are the elements called that are on the left side of the periodic table?

In general, the elements on the left side of the periodic table are metals. The elements in group 1 at the far left side of the periodic table are called alkali metals.


How did Mendeleev account for the blank spaces?

On his Periodic Table Mendeleev left the blank spaces, because he thought there would be elements that would follow his pattern.


Elements found on the left side of the periodic table are called?

In general, the elements on the left side of the periodic table are metals. The elements in group 1 at the far left side of the periodic table are called alkali metals.


How many blank spaces did Mendeleev leave in the periodic table which represented elements that had not yet been discovered?

Mendeleev left 3 blank spaces for the elements that had not yet been discovered.


Why did Mendleev leave three blank spaces in his periodic table?

Mendeleev left three blank spaces for the elements which were not discovered at that time. Later elements were discovered that fitted into those gaps.


How did Mendeleev predict the existence of unnatural elements?

He left blank spaces in the periodic table in the correct grouping and period that is where the newly discovered elements were placed.


What are the blanks in Mendeleev's Periodic Table?

Because some of the elements were not yet discovered so he left them blank for other elements to be discovered. -bobby corner


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The metals in the lower left corner of the periodic table are the least electronegative.


Elements found on the left side of the periodic table are?

The far left group of the periodic table are the alkali metals.


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Periodic table contains elements and not ions. However it could be noted that the elements on the left of the periodic table are more likely to form cations.


Where is a cation found on the periodic table?

Periodic table lists elements not cations. However the elements on the left side of the periodic table are metals and are likely to form cations.


Where is the cation on the periodic table?

Periodic table consists of elements not cations. However group 1 and group 2 elements (left side of the periodic table) are elements which will form cations easily.


Where are the metallic elements located at on the periodic table?

Metals are located on the left side of the periodic table.


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The elements to the left of the line are metals.


O The periodic table of elements is the arrangement of elements according to?

The periodic table of elements is the arrangement of elements according to atomic number increasing from left to right across rows of the table.


Elements found in the left columns of the Periodic Table of the Elements are?

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Which elements on the periodic table have the lowest electronegativity?

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