Atomic Structure Timeline Democritus (400 B.C.) • Proposed that matter was composed of tiny indivisible particles • Not based on experimental data • Greek: atomos Alchemy…

1. Periodic Trends Elemental Properties and Patterns www.tmcleod.org/Level1/0809ch6 periodictrend .ppt 2. The Periodic Law Dimitri Mendeleev was the first scientist to publish…

1. Periodic Tableof ElementsChapter 6 Notes 2. Modern Periodic TableDesigned by Demitri Mendeleev based on atomic mass (1869)Modified by Henry Moseley based on atomic number…

1. Periodic Trends Elemental Properties and Patterns 2. The Periodic Law  Dimitri Mendeleev was the first scientist to publish an organized periodic table of the known…

1. Periodic Table of Elements 2. Analyse the Periodic Table of Elements Analyse Group 18 elements Analyse Group 1 elements Analyse Group 17 elements Analyse…

1. What composes all matter whether a liquid, solid, or gas? A. Atoms B. Electrons C. Protons D. Neutrons ANSWER: A 2. Which of the following is not a basic part of an atom?…

1. IONIC COMPOUNDS Chapter 8 2. Forming Chemical Bonds Section 8.1 The force that holds two atoms together is called achemical bond.Chemical bonds may form by the attraction…

1. ATOMIC THEORY BY: Chesca Alba, Celine Bengzon, Rea Del Rio, Aitana Morales and Paula Santos 2. Democritus Atom Democritus is an Ancient Greek philosopher born in Abdera,…

1. The smallest particle, which contains all the main characteristics of an element is called its atom. Three major parts of an atom: Proton Neutron Electron 2.  Rutherford…

1. THE HISTORICAL DEVELOPMENT of ATOMS 2. Early Greek Theories 400 B.C. - Democritus thought matter could not be divided indefinitely. 350 B.C - Aristotle modified an earlier…