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seaborgium, the chemical element of atomic number 106, a very unstable element made by high-energy atomic collisions.

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Q: What was Seaborg's last major change to the Periodic Table?
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What is the major contribution of Dmitri Mendeleev to science and society?

He created the periodic table.


Who developed your modern day periodic table?

The last major changes to the periodic table resulted from Glenn Seaborg's work in the middle of the 20th Century. Starting with his discovery of plutonium in 1940, he discovered all the transuranic elements from 94 to 102. He reconfigured the periodic table by placing the actinide series below the lanthanide series. In 1951, Seaborg was awarded theNobel Prize in chemistry for his work. Element 106 has been named seaborgium (Sg) in his honor.Although Dmitri Mendeleev is often considered the "father" of the periodic table, the work of many scientists contributed to its present form.


Name the 3 major groups on the periodic table in order of their decreasing sizeWhere on the periodic table is each group located?

The 3 major groups are: # Metals - Groups 1-15 and the Inner Transitional Elements # Nonmetals - Groups 1 and 14-18 # Metalloids - Groups 13-17 (Diagonal strip of elements separating the metals from the nonmetals)


What 3 major groups are the elements on the periodic table separated into?

The 3 major divisions on the periodic table are metals(metalloids), non-metals, and gases.


What country is credited with discovering the most elements?

Germany. During the 1800's chemistry belonged to the Germans, especially organic chemistry. France and Britain made major contributions and the periodic table was a Russian development, but overall, Germany did the most.

Related questions

What major change occurs as you move from left to right on the periodic table?

More subatomic particles, more mass


What are the major groups of the periodic table?

it is poo symptom


Major region of the periodic table of the elements is?

it is metals


What are the names of the major categories in the periodic table?

nononono


When you move from left to right on the periodic table what are some of the major changes?

When you move from left to right on the periodic table, the atomic number of the elements increase.


What are the 2 major categories in the periodic table?

Metals and non metals


What major change occurs as you move left to right on the periodic table?

As you move left to right on the periodic table, the number of valence electrons an element has increases. The number of valence electrons an element has corresponds to which group (column) an element is. (This rule does not apply to transition metals...)


What is H called on the periodic table?

H on the periodic table represents Hydrogen. This is the lightest element but it is very essential to life because it is a major component to water (H2O).


What is the major contribution of Dmitri Mendeleev to science and society?

He created the periodic table.


What scientist made a major contribution to society?

Many scientists have made major contributions to society. Mendeleev - who created the first periodic table of elemets


What are the names of the major categories of elements on the periodic table?

metals, non metals, metaloids


What contributions to science were made by Dmitri Mendeleev?

He invented the periodic table. You must know what that means; he was the father of basic chemistry. Actually, he didn't discover the periodic table. He just arranged the only elements he had available in his day (not a lot) and arranged them based on patterns of # of protons, electrons, reactivity, etc. He didn't have an in-depth knowledge yet of electron configuration ;however, his "guess" turned out to have so many great implications that we now use his invention everyday everywhere.