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In the Middle Ages most scientists believed that the world was made from four simple elements and that almost everything was a mixture Which type of pure substance had they not yet discovered?
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Well for this questions the method used by scientist are tecnicaly different than others well most suit of what atoms they could find in their place so its easier. But most do say that they put a chemical and if it bubbles its a mixture and if their are no ubble it is a pure substance
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What element had not been discovered in the middle ages?
The people of the middle ages mostly believed in four elements: fire, earth, air, and water. Arsenic, antimony, and bismuth were discovered in the middle ages, but medieval people did not know they were elements any more than they knew that gold, copper, iron, and silver were elements. The idea of actual chemical elements was something that came later.
Spartacus what nationality is the name?
The name "Spartacus" is a Latin name. It had no nationality as such. The rebel gladiator Spartacus was said to be from Thrace and also was said to have served in the Roman army. Many auxiliaries either Latinized their names or changed them completely to a Latin (Roman) name.
When was the first wheel used?
Wheels are known to have been used in ancient Mesopotamia from the third millennium BC, about 5,000 years ago. Prehistoric wheels may have existed, but no remains have been found.
Which civilization believed in the mandate of heaven?
shang
When was it believed that humankind began?
more than 3 million years ago which was when Lucy, an adult female humanoid was found, but some scientists believe humankind started to separate from apes about 6 million years ago. however homo-sapiens (that's us) were only found at 200,000 years ago (NOT THAT LONG AGO COMPARED TO THE MILLIONS OF YEARS before we existed).
In the middle ages most scientists believed that the world was made from four simple elements and that almost everything was a mixture. Which Type of pure substance had they not yet discovered?
Well for this questions the method used by scientist are tecnicaly different than others well most suit of what atoms they could find in their place so its easier. But most do say that they put a chemical and if it bubbles its a mixture and if their are no ubble it is a pure substance
Who is the philosopher that believed the substance from which everything is made is water?
Thales of Miletus, who flourished in the 6th century B.C., believed that all things are (or derive from) water. More on Thales can be found in Aristotle's Metaphysics.
How did scientists know that whales once walked the earth?
they believed that whales had legs and one whale was found with a small leg but it was discovered that a chinese farmer put the leg in the whale skeleton
Scientists once believed that modern?
wtrrwetrew
Why are the inert gases called by this term?
The Noble gases were known as inert gases because it was believed that they were completely unreactive. This is no longer true as scientists have discovered compounds containing noble gas elements.
What scientists once called noble gas?
People once believed that noble gases couldn't chemically react at all. For this reason, they were called inert gases. They were also clustered under Group 0 in the old periodic table because scientists believed that the gases have zero valence electrons in their outer shell. This was later proven to be untrue when some noble gas compounds were discovered.
Did whales ever walk on the earth?
In 2008, scientists discovered the fossils of an animal they believed was an ancestor of today's whales. The unique feature of this animal was that it had legs and possible spent a lot of time on land as well as in the water.
Did any other scientist work with Benjamin Franklin?
As far as it is known to the date, Benjamin Franklin did not work with other scientists. Even if he is famous for having worked in many areas of knowledge (from electricity to politics), Benjamin Franklin is believed to have done everything on his own.
Who believed he had discovered a westward passage to Asia when in fact he had actually discovered the Americas?
Christopher Columbus
Who invented the nucleus?
The (cell) nucleus is generally believed to have been discovered by Antonie van Leeuwenhoek. The nucleus of the atom was discovered by Ernest Rutherford.
When and who first discovered nz?
The first Moari believed to have discovered New Zealand was a man named 'Kope'.
What two scientist believed that the earth revolved around the sun?
Many scientists believed this. Nicolaus Copernicus was the first to propose this idea however, and many other scientists believed in his theory as well, such as Johannes Kepler, Galileo Galilei, Isaac Newton, and so on.
