Information about Radon. Answers how it's used, where it's found, etc.
Date Submitted: 04/20/2004 00:27:18
Category: / Science & Technology / Chemistry
Length: 3 pages (735 words)
Category: / Science & Technology / Chemistry
Length: 3 pages (735 words)
Over the ages, many ideas were formed about what all matter is made of. The ancient Greeks believed there to be only four elements- air, earth, fire, and water. We now know that elements are the simplest type of a pure substance. Because of the many different properties of elements, they have been organized in lots of different ways. Dmitri Mendeleev devised the periodic table that we use today. He lined up all of the …
Is this Essay helpful? Join now to read this particular paper
and access over 480,000 just like this GET BETTER GRADES
and access over 480,000 just like this GET BETTER GRADES
…elements, but their properties could be totally different. You can determine how different chemical compounds will often react if you know of a similar previous reaction.
6. When an element is made in a particle accelerator by the collision of high-speed particles and exists for only a fraction of a second, it should be considered a new element. This is because it's still a new type of simplest substance, regardless of how long it's in existence.
Need a custom written paper? Let our professional writers save your time.