Slide 1 Business Syllabus OWL Deadlines Lab next week Email Slide 2 Email Etiquette hey, i cant get into owl. what do i do? Dear Bill, (or BV, Professor Vining, or Dr. Vining)…

Slide 1 Nivaldo J. Tro http://academic.cengage.com/chemistry/tro Deborah Koeck Texas State University, San Marcos Chapter 3 Atoms and Elements Slide 2 The connection between…

Slide 1 Homework from page 104 Slide 2 15. Boron has two isotopes. boron-10 mass = 10.013 amu abundance = 19.8% Boron-11 mass = 11.009 amu abundance = 80.2% Calculate its…

The connection between the microscopic atom and the macroscopic element is the key to understanding the chemical world. Understanding the Macroscopic World Atoms An atom…

Slide 1 How do we know about atoms? Atomic Theory Democritus (460 BC- 370 BC) His mentor Leucippus Everything is composed of âatomsâ Atoms are physically indivisible Between…