Moseley's Contributions
Mendeleev's Contributions
Specific Dates
Group Questions
100
Moseley predicted that...
What is there was missing elements on the Periodic Table
100
Mendeleev arranged the 63 known atoms in a working order and published it under the name of...
What is The Principles of Chemistry.
100
Dmitri was credited with establishing the Periodic Table. He arranged the 63 known elements based off atomic mass and published his work, The Principles of Chemistry.
What is 1869
100
What period and group is Iodine in?
What is period 5 and group 7
300
Moseley discovered many different elements while passing a beam of light through a crystal. After discovering this he realized there was a connection between electromagnetic waves and atomic weight. He named this theory...
What is Moseley's Law
300
Who was the scientist that originally thought of the idea of the Periodic Table, but the credit was then given to Mendeleev when his measurements were wrong.
What is John Meyer
300
Mendeleev attended the first ever international chemistry conference, which took place in Karlsruhe, Germany. Much of the conference’s time was spent discussing the need to standardize chemistry.
What is 1860
300
Mendeleev attended the first ever international chemistry conference, which took place in Karlsruhe, Germany. Much of the conference’s time was spent discussing the need to standardize chemistry.Find out the symbol and atomic mass of Mendelevium
What is Md and 258
500
What did Moseley do to to Mendeleev's original Periodic Table?
What is he reorganized the atomic numbers into the correct order and filled in some of the missing ones.
500
What did Mendeleev do while creating the Periodic Table?
What is he left room for new elements to be added
500
While Moseley was preforming an experiment he discovered a relation between electromagnetic waves and atomic numbers.
What is 1913
500
What is the number of protons, neutrons and electrons in Oxygen?
What is 8,8 and 8
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