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Here a list with unrecorded/recorded element throughout history: http://en.wikipedia.org/wiki/Discovery_of_the_chemical_elements

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16y ago

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First element found on the periodic table?

Hydrogen


What is the element helium named after?

The element 'helium' is named after 'Helios' (the sun) as the element was first found in the sun. 25 years later is was then found on earth.


What element was first discovered somewhere other than earth?

Technetium (element 43) was the first element to be discovered on Earth that was not found naturally in nature. It was synthesized in a laboratory by Italian scientists in 1937.


Write an algorithm to search an element in linked list?

To search for an element in a linked list, you iterate the list, looking for the element, and either return the element or an indication that it was not found. for (ptr = first; ptr != null; ptr = ptr.next) if (ptr.value == searchvalue) break; This will either leave ptr with the address of the found element, or null, if not found.


Chemists at the University of Chicago isolated and measured this element for the first time. What element is it?

The element is plutonium. Particulars can be found in the Wikipedia article on plutonium. A link is provided.


What is the first element found in the Sun's spectrum then on Earth 30 years later?

The first element found in the Sun's spectrum is hydrogen. Around 30 years later, the same element was identified on Earth through experiments conducted by chemists like Henry Cavendish.


What year was lithium found?

Lithium was found (i.e. first chemically identified as a distinct element) in the year 1817.


Is cesium a compound or element?

Caesium is an element, it can be found in the first column of the periodic table with an atomic no. of 55 and an atomic mass of 133


What is the element first found in the Sun's spectrum?

The element first found in the Sun's spectrum is helium. It was discovered in 1868 by French astronomer Jules Janssen and British astronomer Joseph Norman Lockyer during a solar eclipse.


What year was potassium found?

Potassium was first identified as an element is the year 1806/07.


Which of the first 88 elements that is not found in nature but must be synthesized?

astatine, element 85


The element first found in the Sun's spectrum then on Earth 30 years later is?

helium