1. Structure of AtomsThe History and Models of Atoms 2. Studying AtomsScientists have been studying atoms since the 1800s. If atoms are too small to be seen, how do we study…

Slide 1 Slide 2 Summary of the Atom atoms are the smallest particles that can be uniquely associated with an element Atoms cannot break down further by chemical means. each…

Slide 1Structure of the Atom or Lets Get up and Atom Chemical Symbols Nucleus/ clouds Subatomic Particles Atomic Terms Slide 2 Chemical Symbols Capitals matter! Element symbols…

Slide 1Unit 2 Atomic Structure What is a Theory? A set of statements or principles devised to Explain a group of facts or phenomena. Describe the Discontinuous Theory of…

Slide 1 Slide 2 Slide 3 Atomic Mass l Atoms are so small, it is difficult to discuss how much they weigh in grams l Use atomic mass units. l an atomic mass unit (amu) is…

Slide 1Ch. 4.2 - Atomic Structure I. Subatomic Particles (p.113 - 114) Slide 2 Subatomic Particle Properties ParticleSymbolLocationChargeRelative Mass (amu) Actual Mass (g)…

Slide 1 Slide 2 Slide 3 Subatomic particles Electron Proto n Neutro n Nam e SymbolCharge Relative mass Actual mass (g) e-e- p+p+ n0n0 +1 0 1/1840 1 1 9.11 x 10 -28 1.67 x…

Slide 1Chapter 6 – Chemical Composition Slide 2 Counting by weighing Situation: You work in a candy shop. You sell jelly beans. Somebody wants to buy 1000 jelly beans.…

Slide 1 Slide 2 Periodic Table of Elements Slide 3 Slide 4 Elements Science has come along way since Aristotles theory of Air, Water, Fire, and Earth. Scientists have identified…

Slide 1Calculations with Elements and Compounds The Mole Concept Rev. 051111 050212 Pisgah High School M. Jones Slide 2 Slide 3 Moles? Slide 4 No. Not real moles, or Whack-a-moles,…