Slide 1 Slide 2 1. The ancient Greek philosopher Democritus coined what word for a tiny piece of matter that cannot be divided? a) Element b) Electron c) Atom d) Molecule…

Slide 1 Slide 2 Several nomenclatures are important: ● Nuclide: is any particular atomic nucleus with a specific atomic number Z and mass number A, it is equivalently an…

Slide 1 Atomic Structure Slide 2 Element : Aluminium (Al) What is an atom ? An Atom of Aluminium Atoms of Aluminium Slide 3 What is an atom ? smallest particle of any substance…

Slide 1 Atomic Structure and Electron Arrangement Write correct symbols and names of some elements Describe the physical properties of some elements Categorize an element…

Slide 1 Atomic Structure Slide 2 Inside an Atom Over time, scientists have come up with many theories about the inside of atoms. Today we believe that an atom has a center…

Slide 1 ISOTOPES Chemistry Slide 2 I. Why Atoms Differ? A. Atoms of different elements have their own unique structures 1. Because they have different structures they have…

Slide 1 Introductory Chemistry, 3 rd Edition Nivaldo Tro Intro to the Periodic Table And Atoms Vs. Ions Vs. Isotopes Slide 2 2 The Modern Atom Atoms are composed of three…

Slide 1 Canadian Nuclear Society Ionising Radiation Workshop 1 Be Aware of NORM Shortest Version 2014-07-26 CNS Team Doug De La Matter Peter Lang Bryan White Jeremy Whitlock…

Chemistry Unit I: Chapter 4 âAtomsâ Chp 4.1 Atomic Structure, p. 113-118 Our understanding of atoms took many centuries. The 4th century Greek philosopher, Democritus,…

Slide 1 Trends in the Periodic Table The trends (atomic radius, ion radius, ionization energy and electronegativity) can be explained using the concepts of energy levels…