Slide 1Chapter 18— PROPERTIES OF ATOMS AND THE PERIODIC TABLE Section—1: STRUCTURE OF THE ATOM Slide 2 ATOMIC COMPONETS An element is matter that is composed of 1 type…

1.Chapter 3 Elements, Atoms, and Ions2.   3. Alchemy- pseudoscience based upon the belief that cheap metal could be turned into gold Greek philosopher Aristotle proposed…

Slide 1Lecture 1 The big picture: Origin of the Earth §What is Geology about? §The origin of the Universe §The solar system §Planet Earth and its dynamic systems Slide…

Slide 1 Atoms of elements that are in the same group on the periodic table have similar physical and chemical properties. Section 3: The Periodic Table K What I Know W What…

Chapter 3 Periodic table and periodicity of properties LEARNING OUTCOMES UNDERSTANDING: Students will be able to: Distinguish between a period and a group in the periodic…

Slide 1 Organizing the Elements 1. Dmitri Mendeleev organized the elements by increasing atomic mass. 2. Mendeleev left spaces in his periodic table and he was able to predict…

Chapter 3: Electronic Structure and the Periodic Law Chemistry 140 HCC/TCHS Charles Lee-Instructor Chapter 3: Electronic Structure and the Periodic Law When you have completed…

A German scientist named Johann Dobereiner put forward his law of triads in 1817. Each of Dobereiner's triads was a group of three elements. The appearance and reactions…

Chapter 3: Electronic Structure and the Periodic Law Chemistry 140 HCC/TCHS Charles Lee-Instructor Chapter 3: Electronic Structure and the Periodic Law When you have completed…

IPS Semester 2 Unit 9 â Section 2 â Periodic Table Atomic Number number of protons in the nucleus of each atom number of protons determines which element it is Each element…