CHM114 ASU Prof. Windman
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Date Created: 09/12/14
CHM 114 Professor Windman 91214 815 PM Chapter 1 In The Beginning BIG BANG Hit just the right spot in order to allow everything to happen During Big Bang there was a lot of Hydrogen H 0 There is also Deuterium and Tritium radioactive These are isotopes atoms with the same number of protons but a different number of neutrons 0 After 20 minutes the temp of the universe has cooled significantly 0 The first two elements have formed Hydrogen 75 of the universe and Helium with 25 Matter Anything that has mass and takes up space 0 Different Types Atoms of an Element Molecules of an Element Molecules of a compound Mixture of elements and a compound Atoms the building blocks of matter An element is made of the same kind of atom Elements can exist as single atoms as diatomic molecules or polyatomic molecules Some elements can exist in different forms or allotropes Compound is made of two or more different kinds of elements States of Matter Solid Liquid Gas Atoms Nucleus o Protons positively charged particle which defines an atom s identity 0 Neutrons particle with no charge but they have mass Weighs slightly more than a proton Don39t live long as neutrons Electrons o Negatively charged particles with 1100th the mass of a proton People are dumbasses and used nuclear bombs bunch of radioactive material dumped around 1940s The Elements Earth Wind Fire Water Elements are defined by the number of protons they have 82 Elements have been found on Earth 0 Gold Silver Lead Hydrogen Carbon 32 Elements have been created by scientists o Technetium Americium Seaborgium Very unstable 91214 815 PM 91214 815 PM
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