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The Chemistry of Life

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The Chemistry of Life We are walking test tubes! What can you tell me about this equation? C6H12O6 + O6 CO2 + H2O Atoms are the fundamental units of matter. – PowerPoint PPT presentation

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Title: The Chemistry of Life


1
The Chemistry of Life
  • We are walking test tubes!

2
What can you tell me about this equation?
  • C6H12O6 O6 ? CO2 H2O

3
Atoms are the fundamental units of matter.
  • Atom unable to be cut first coined nearly
    2,000 years ago
  • Smallest unit of matter that still retains the
    property of matter
  • Wood example

4
Subatomic particles
  • Atoms are made up of three particles
  • Protons negative charge
  • Neutrons neutral charge (no charge)
  • Electrons negative charge
  • Protons Neutrons nucleus
  • Electrons are found in energy shells outside of
    the nucleus

5
The classic atom model (you need to sketch this)
http//web.buddyproject.org/web017/web017/ae.html
6
Elements and the Periodic Table
  • Elements are pure substances that are made up of
    only one kind of atom
  • Arranged on the periodic table
  • Atomic number of protons ()
  • Atomic mass protons neutrons

7
Reading the periodic table
8
Isotopes
  • Atoms of the same element with a different of
    neutrons

9
Chemical Compounds
  • When two or more elements combine in definite
    proportions

10
Checkpoint
  • What information is contained in a chemical
    formula?
  • C6H12O6

11
Chemical Bonds
  • Ionic bonds one or more electrons are
    TRANSFERRED (strongest type of bond)

12
Chemical Bonds cont.
  • Covalent bond electrons are SHARED between atoms

13
Chemical bonds cont.
  • Van der Waals forces slight attraction between
    oppositely charged regions of nearby molecules

14
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