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Questions and Answers
Who is the creator of the periodic table of elements?
Who is the creator of the periodic table of elements?
Which group of elements in the periodic table forms negative ions with one negative charge?
Which group of elements in the periodic table forms negative ions with one negative charge?
Which group of elements in the periodic table is known for being unreactive and good conductors of heat and electricity?
Which group of elements in the periodic table is known for being unreactive and good conductors of heat and electricity?
Which group of elements in the periodic table are metals that are malleable, can be bent and formed, and are important in chemistry?
Which group of elements in the periodic table are metals that are malleable, can be bent and formed, and are important in chemistry?
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Which scientist revolutionized how we see the world?
Which scientist revolutionized how we see the world?
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What did Mendeleev do with the elements to discover their properties?
What did Mendeleev do with the elements to discover their properties?
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What did Mendeleev do when he realized that some elements were missing from his table?
What did Mendeleev do when he realized that some elements were missing from his table?
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Who published a paper without a graphical representation of the Periodic Cylinder of the Elements?
Who published a paper without a graphical representation of the Periodic Cylinder of the Elements?
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What was the reason for separating the lanthanides and actinides from the periodic table?
What was the reason for separating the lanthanides and actinides from the periodic table?
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What did Mendeleev deny the existence of?
What did Mendeleev deny the existence of?
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What was the answer to the question 'Why?' after Mendeleev's theories were published?
What was the answer to the question 'Why?' after Mendeleev's theories were published?
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What did the periodic table in its current form lack?
What did the periodic table in its current form lack?
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