1. Wednesday, February 16, 2011 Agenda Welcome Announcements Turn in Sci WB p39-40 The atomic model: electrons & the nucleus Lesson 1 WS (due today) HW: Textbook p. 179:1-5…

1. Unit II - Structure of Atom I.II.Atomic Theory A. Modern Atomic Theory 1. All matter is made up of very tiny particles called atoms 2. Atoms of the same element are chemically…

Slide 1 Slide 2 History at a Glance Slide 3 Early Models Early Philosophers and scientist could not observe individual ideas but were still able to propose ideas about the…

Slide 1Atomic Theory The Movers and Shakers of the Subatomic World. Slide 2 Dalton In the early 1800s, the English chemist John Dalton did a number of experiments that eventually…

Atomic Theory The Movers and Shakers of the Subatomic World. Dalton In the early 1800âs, the English chemist John Dalton did a number of experiments that eventually led…

Slide 1 Take out reading check andDo Now: 1. If 100,000,000 copper atoms were placed side by side, they would form a line 1 cm long. A)What is the number of atoms written…

Chemistry: Matter and Chemical Bonding Early Atomic Theories Timeline. . . . . Ancient Greeks (approx 450 BC) "Four Element" Theory â Earth, Air, Fire, Water Benefits:…

Atomic Theory Democritus 440 B.C.E All matter is made up of atoms, which are indivisible he pounded up materials in his pestle and mortar until he had reduced them to smaller…

Atomic Structure Atomic Structure IB Chemistry Topic 2 The Atom Originally thought to be the smallest form of matter due to the fact that the atom can’t be broken down…