What is an Atom? What is an Element?

What is an atom? An atom is the smallest whole particle of matter.

How small is an atom? If I had one piece of paper…. This is the product of Ryan Murphy Copyright 2010 www.sciencepowerpoint.com Copyright © 2010 Ryan P. Murphy

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90

If I could cut the paper in half about 90 times, I would have a piece around the size of the atom. Copyright © 2010 Ryan P. Murphy

About a million atoms stacked on top of each other = the thickness of a sheet of paper. Copyright © 2010 Ryan P. Murphy

About 5 million atoms make up a period at the end of a sentence. Copyright © 2010 Ryan P. Murphy

Scanning Tunneling Microscope

Nucleus

Nucleus

Nucleus

Nucleus

Nucleus

Nucleus

Nucleus

Nucleus

Nucleus

Nucleus

Nucleus

Neutron

Proton

Electron

Nucleus

Name Atomic Mass Atomic Number Atomic Symbol Copyright © 2010 Ryan P. Murphy

Name Atomic Mass Atomic Number Atomic Symbol Copyright © 2010 Ryan P. Murphy

Name Atomic Mass Atomic Number Atomic Symbol Copyright © 2010 Ryan P. Murphy Copyright © 2010 Ryan P. Murphy

Name Atomic Mass Atomic Number Atomic Symbol Copyright © 2010 Ryan P. Murphy Copyright © 2010 Ryan P. Murphy

Name Atomic Mass Atomic Number Atomic Symbol Copyright © 2010 Ryan P. Murphy

Name Atomic Mass Atomic Number Atomic Symbol Copyright © 2010 Ryan P. Murphy

Name Atomic Mass Atomic Number Atomic Symbol Copyright © 2010 Ryan P. Murphy

Name Atomic Mass Atomic Number Atomic Symbol Copyright © 2010 Ryan P. Murphy

Name Atomic Mass Atomic Number Atomic Symbol Copyright © 2010 Ryan P. Murphy

What is the atomic symbol? What is the atomic number? How many Protons? How many Electrons? What is the atomic Mass? How many Neutrons? Copyright © 2010 Ryan P. Murphy

What is the atomic symbol? F What is the atomic number? How many Protons? How many Electrons? What is the atomic Mass? How many Neutrons? Copyright © 2010 Ryan P. Murphy

What is the atomic symbol? F What is the atomic number? How many Protons? How many Electrons? What is the atomic Mass? How many Neutrons? Copyright © 2010 Ryan P. Murphy

What is the atomic symbol? F What is the atomic number? 9 How many Protons? How many Electrons? What is the atomic Mass? How many Neutrons? Copyright © 2010 Ryan P. Murphy

What is the atomic symbol? F What is the atomic number? 9 How many Protons? How many Electrons? What is the atomic Mass? How many Neutrons? Copyright © 2010 Ryan P. Murphy

What is the atomic symbol? F What is the atomic number? 9 How many Protons? 9 How many Electrons? What is the atomic Mass? How many Neutrons? Copyright © 2010 Ryan P. Murphy

What is the atomic symbol? F What is the atomic number? 9 How many Protons? 9 How many Electrons? What is the atomic Mass? How many Neutrons? Copyright © 2010 Ryan P. Murphy

What is the atomic symbol? F What is the atomic number? 9 How many Protons? 9 How many Electrons? 9 What is the atomic Mass? How many Neutrons? Copyright © 2010 Ryan P. Murphy

What is the atomic symbol? F What is the atomic number? 9 How many Protons? 9 How many Electrons? 9 What is the atomic Mass? How many Neutrons? Copyright © 2010 Ryan P. Murphy

What is the atomic symbol? F What is the atomic number? 9 How many Protons? 9 How many Electrons? 9 What is the atomic Mass? 19 amu How many Neutrons? Copyright © 2010 Ryan P. Murphy

What is the atomic symbol? F What is the atomic number? 9 How many Protons? 9 How many Electrons? 9 What is the atomic Mass? 19 amu How many Neutrons? Copyright © 2010 Ryan P. Murphy

What is the atomic symbol? F What is the atomic number? 9 How many Protons? 9 How many Electrons? 9 What is the atomic Mass? 19 amu How many Neutrons? 19 Copyright © 2010 Ryan P. Murphy

What is the atomic symbol? F What is the atomic number? 9 How many Protons? 9 How many Electrons? 9 What is the atomic Mass? 19 amu How many Neutrons? 19 - Copyright © 2010 Ryan P. Murphy

What is the atomic symbol? F What is the atomic number? 9 How many Protons? 9 How many Electrons? 9 What is the atomic Mass? 19 amu How many Neutrons? 19 - 9 Copyright © 2010 Ryan P. Murphy

What is the atomic symbol? F What is the atomic number? 9 How many Protons? 9 How many Electrons? 9 What is the atomic Mass? 19 amu How many Neutrons? 19 - 9 = 10 Copyright © 2010 Ryan P. Murphy