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∙ 6y agoThe scientists know many also before 1860 but the knowledge volume was however minimal compared with the year 2018.
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How many natural elements do we know of?
there are 51 natural elements we know of
A flame test can be used to identify the presence of certain elements in a compound?
Not in the "natural" elements (the first 92), but we know of no limit to the trans-urantic elements. A2: Some gases were first discovered by their spectrums--the yellow line of helium in the sun was observed long before it was found on earth.
What chemical elements make up detergent?
i dont know but i want to know about it..please..;(
What is the six element of the periodic table of elements?
Family six on the Periodic Table of elements is also know as Chalcogens
How many rare earth elements are they?
As of 2014, there are 17 known rare earth elements. In the early 1800s, only 2 were know.
What did people know about elements before 1860?
People knew there were elements around them
How many elements were known in 1860?
In the year 1869, sixty-three elements were known. Out of the 92 naturally-occurring elements, the following were yet to be found:HeliumNeonArgonScandiumGalliumGermaniumKryptonTechnetiumXenonthe Lanthanoids*HafniumRheniumthe Radioactive Elements***With the exception of lanthanum, cerium, and terbium.**With the exception of thorium and uranium.
How much time passed before the elements as you know them were formed?
i have no clue what this answer is. do you know what it is?
Are there millions of element?
As far as we know, there are much less than a million. All of the known elements in the world are listed on the Periodic Table of Elements.
What was the law of April 16 1860?
i don know
How were you able to discover an element before the invention of modern instruments?
Before instruments were invented to aid in the discovery of different elements, the discovery of most elements was by accident. Madame Curie discovered uranium, but did not know at the time that it was radioactive.
How can you prove an 1860 Colt Army 44caliber is a genuine original civil war gun?
Don't know exactly but the 1860 serial numbers ran from 1860 to 1873 # 1-#200500.
How many natural elements do we know of?
there are 51 natural elements we know of
How know the end of the world by the Mayan Calendar?
We won't know when the end of the world will be until it happens. Before that, it's just a guess.
How many elements do you currently know of?
Today the periodic table contain 118 chemical elements; 94 are considered natural elements.
Why was John C Fremont the right choice for US President in 1860?
Nobody that I know of considers Fremont to be a good choice for 1860. If you think he was, the burden of proof is on you.
Did Spain know that the new world existed before they sent Columbus?
no
