According to the modern definition of "element", water is made up of two different elements: hydrogen, and oxygen.
how belief in the four element concept delayed the advancement of scientific thought in chemistry
Chlorine is the element that purifies water. Its symbol is Cl.
Water is a compound. it is neither element nor mixture.
Water is a compound because it is made up of two elements (hydrogen and oxygen) with polar bonds.HistoricalOf course the above is true. However in medieval times water was thought to be elemental in nature. People believed that there were 4 "elements" that composed substances: earth, air, fire and water. Everything on earth was made of some combination of these four 'elements'. There was a fifth element, the quintessence, from which we get the word quintessential, and it was thought that this element is what the stars were made of. It was also believed that this quintessence permeated everything everywhere.===Water is a compound. It is made up of two atoms of hydrogen and one atom of oxygen, therefore its molecular structure is written 'H2O'.
mercury
NO -- one at a time
Tantalum.
There are a few different areas of thought to this question. One belief is Coins (earth element) for winter, Swords (air element) for spring, Wands (fire element) for summer, Cups (water element) for Fall.
Currently the moon does not contain any trace of water although there was a dried up stream found that is thought to have once carried water
Water is not an element
No water is NOT an "atom". No water is NOT an "element".
That element inside the bulb is called filament. It is not replaceable once it is damaged because you cannot remove the glass from the base without fracturing it. Moreover these ordinary bulbs are cheap so no point of replacing them.
There once was an element called Nickel, Who thought that he would like a pickle. He went to the store And found three or four, Before he found the pickles were fickle.
Francium is an alkali metal, similar to caesium. Water (H2O) is a compound,not an element. Francium, although it is believed to have never been tested, is thought to have been the most reactive element with water. It is among the alkali metals in group 1 on the periodic table of elements.
No, water is not an element, it is a compound.
Water is not an element (H is an element, O is an element, when combined together it is not an element). See related question below.
how belief in the four element concept delayed the advancement of scientific thought in chemistry