1. Atoms and Subatomic Particles 2. How big is an atom? An atom is incredibly small The diameter of an atom would have to be increased 200 million times to have the diameter…

Slide 1 Chapter 2 Lecture Notes—Essential Chemistry for Biology Biol 100 – K. Marr – Spring 2007 Topics Discussed in these notes Matter, Elements and Compounds Periodic…

Slide 1 Atoms and the Periodic Table Slide 2  Chemists used the properties of elements to sort the elements into groups.  Mendeleev used increasing atomic mass to construct…

Slide 1 Ch. 4 - Atomic Structure I. Structure of the Atom  Dalton’s Atomic Theory  Subatomic Particles Slide 2 A. Dalton’s Atomic Theory  Every element is made…

Chapter 2 The Chemistry of Life Warm-Up Look at the following words. Place each one in the table below and define if you think you can. atom proton neutron electron nucleus…

The Atom The Atom 1 An Atom ⦠is the smallest particle into which an element can be divided and still be the same substance. Protons- Positive charge and found in the…