CHAPTER 18 ATOMS AND ELEMENTS Section 18.1 Atomic Structure.
Chapter 2
= anything that occupies space and has mass = may exist as a - pure substance (only one kind of matter) either an element or compound - mixture (two or.
A History of Atomic Theory Atomic Models. What is a model ? MODEL: detailed, 3-D representation of an object, (typically on smaller scale than original)
The scientific study of the chemical substances, processes, and reactions that occur in living organisms BIOCHEMISTRY THE CHEMISTRY OF LIFE.
“What are ATOMS?”. Leucippus and Democritus (400? BC) Greek philosopher and his “student” New idea: - there is a limit to how far matter can be divided.
Energy & How it Relates to Science. How? In Chemistry – in physical and chemical changes In Biology – necessary for life In Physics – as work.
Fall 2004 - Topic 7 ATOMS: Dalton and Beyond Dr. Donna Brestensky, Chemistry *** Please pick up a handout as you come in. *** Animation Reference: .
BIOCHEMISTRY THE CHEMISTRY OF LIFE
TOPIC: Atomic Theory – how the model of the atom has evolved and the scientists responsible.
Chapter 3 Atomic Structure and Electron Configuration.
