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Is it true or false that Mendeleev and other scientists were able to use the periodic table to predict the properties of undiscovered elements?
yes it is true. that is how the periodic table was established. ----
The discovery of a periodic table closest to its modern form was the result of which scientist's work with decks of cards?
Dmitri MendeleevDmitri MendeleevDmitri Mendeleev is the scientists that worked with decks of cards to decelop the arrangement of elements on the periodic table in the 1860's.
What did people think of Dmitri mendeleev?
Mendeleev gave a model that was better than the previous ones.He gave the scientists a new criteria to arrange the elements.
Why do you think scientists might have been frustrated by the organization of the elements before 1869?
At that time, scientists knew some of the properties of more than 60 elements. However, no one had organized the elements according to these properties; making it harder for scientists to understand how elements interact with each other.
Which scientist developed the only periodic table of elements?
Dmitri Mendeleev published the first periodic table in 1869. He built on the work of several other scientists, including Antoine Lavoisier, Johann Dobereiner, Alexandre-Emile Beguyer de Chancourtois, and John Newlands, who had previously studied the best way to classify the elements.
Why scientists often test the conclusion of other scientists?
Scientists do that because they are skeptical about other scientists' work. They do not usually believe what other scientists have concluded, so other scientists come up with a hypothesis (or simply state a question) as to contradict, or theorize why another scientists' work and conclusions are wrong. In short: Scientists are skeptical and do not believe what another scientist has come up with as a conclusion.
What other famous scientists were involved in developing the periodic table?
Mendeleev, Bohr - look it up!
Why it good for scientists to be skeptical?
When scientists are skeptical, the are more likely to find new thing. When scientists are not skeptical, they are less open to opportunities. For example, if scientists were not skeptical of the idea the Earth was flat, then they would have continued many many more years without knowing the true shape of the world. Also, without scientists skepticism, they would not have found out that the planets rotated around the sun, not that everything rotates around Earth.
Why did mendeleev leave gaps in the table?
Scientists suggest Mendeleev left gaps in the periodic table because Mendeleev knew the elements existed; however, was unable to prove it.
Why is it good for scientist to be skeptical?
When scientists are skeptical, the are more likely to find new thing. When scientists are not skeptical, they are less open to opportunities. For example, if scientists were not skeptical of the idea the Earth was flat, then they would have continued many many more years without knowing the true shape of the world. Also, without scientists skepticism, they would not have found out that the planets rotated around the sun, not that everything rotates around Earth.
Which scientists developed the first periodic table?
Dmitrij Mendelejev in 1869.
Did Arsenic create the first periodic table?
Arsenic did not create the first periodic table. The first periodic table was created by Dmitri Mendeleev, a Russian chemist, in the 1860s. Other scientists had organized elements in other ways prior to the invention of Mendeleev's periodic table, but the other methods were criticized and did not catch on.
What are the names of two pre-20th century scientists?
Humphrey Davy, Dmitri Mendeleev.
Is it true or false that Mendeleev and other scientists were able to use the periodic table to predict the properties of undiscovered elements?
yes it is true. that is how the periodic table was established. ----
The discovery of a periodic table closest to its modern form was the result of which scientist's work with decks of cards?
Dmitri MendeleevDmitri MendeleevDmitri Mendeleev is the scientists that worked with decks of cards to decelop the arrangement of elements on the periodic table in the 1860's.
Mendeleev's periodic table was use ful because it enabled scientists to predict properties of unknown?
elements
What are the scientists planning to do about the Loch Ness monster?
Scientists are skeptical about the Loch Ness monster because there is no solid proof that the monster exists. They will do nothing about it until there is some proof.
