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many of the first discovered elements were named by greek and roman philosophers
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∙ 14y ago
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What was the element americium named after?
America, the country it was discovered in. Many elements are named after the country where they were first found.
How many elements were discovered in 1830?
55
How many elements were there in 1860?
63 elements had been discovered so far.
How many elements have scientist discovered or created?
As of 2006, scientists know of 117 different elements
What element is radioactive and discovered by the Curies?
Polonium was discovered by Marie Curie and Pierre Curie in 1898. Radium was discovered by Marie Curie, Pierre Curie and G. Bemont also in 1898. Studying residues of uranium ores Marie Curie and Pierre Curie found that these residues are more radioactive than uranium; they attributed this radioactivity to unknown elements. They isolated these elements and named these elements polonium and radium.
What was the element americium named after?
America, the country it was discovered in. Many elements are named after the country where they were first found.
How many invention did maria curie invent?
She discovered radioactivity and 2 elements, polonium and radium.
How did the elements got their names?
Some elements have been known for a long time and thei rnames were established in ancient times. Others are named from the places where they were first discovered - yttrium, ytterbium) , and some have been named for other places, Marie Curie named polonium after her native country. Many of the higher numbered elments are 'named' after their numbers.
About how many elements are in the periodic table of elements?
The current periodic table contains 118 elements, as of April 2010, but many more may still be discovered.
How many radioactive elements are discovered uptill now?
40 elements are discovered uptil now
How many elements are in the 1st row of the periodic table?
In the Periodic Table of Elements there are: 118 Observed Elements 114 Officially Discovered Elements 112 Officially named Elements 92 Naturally Occuring Elements 83 Non-radioactive elements
Why were there only 33 elements in the first periodic table?
Because that's how many had been discovered at that time.
Which element is named after its inventor?
Mendelevium, element 101 and abbreviated Md, was named in honor of Dmitri Mendeleev (note the spelling difference) who came up with the first working concept of a periodic table.
Who discovered that Jupiter has moon?
Many astronomers have discovered Jupiter's moons. Galileo discovered the first four moons of Jupiter, named Calisto, Europa, Ganymede and Io.
Named for the university where many of the transuranium elements were synthesized?
named for the university where many of the transuranium elements were synthesized?
How many elements haven't we discovered?
No one knows how many elements are left to discover.
When Mendeleev developed the first periodic table there were approximately how many elements known?
By 1869, a total of 63 elements had been discovered.
