1/21/2014 1 Radioactivity Spontaneous emission of small particles and/or radiation (energy) by unstable atomic nuclei to attain more stable nuclear state.
Periodic Table of Elements Elements Science has come along way since Aristotles theory of Air, Water, Fire, and Earth. Scientists have identified 90.
Chemistry & life Biology, 21-25 January 2011 Donald Winslow Readings: Sylvia S. Mader 2011 Inquiry into Life, 13th ed., McGraw-Hill, NY. Ch. 1 pp 1-9;
Chapter 5 – The Periodic Table Jennie L. Borders.
The Modern Periodic Table. 9.How is a keyboard an example of a periodic pattern? On a keyboard there is a repeating pattern of notes. The scale repeats.
Periodic table
Lesson 2.1 Nature of Life
Radioactivity + isotopes lect.1,2,
Wednesday, April 13 th : “A” Day Thursday, April 14 th : “B” Day Agenda Section 7.2: “Relative Atomic Mass and Chemical Formulas” In-Class Assignments:
Isotopes and Tree Rings. Isotopes in Tree Rings Environmental processes captured in tree rings can be embodied either physically or chemically. Chemical.
BIOCHEMISTRY Bio 1 CH2 NOTES. Atomic Structure All atoms have the same basic structure In the center of the atom is the nucleus which contains the protons.
Unit 2 Review. For a specific element the number of ______________ is the same but the number of ________ and ___________ may vary. Multiple forms of.
