1. ATOMS AND ELEMENTSWhat is an element?Simply put, an element is made of identical atomsEvery element is different from each other and they can combine together in so many…

Slide 1Atoms and Elements Slide 2 Chlorine Cl 2 Hydrogen chlorideHCl Methane CH 4 Carbon dioxide CO 2 Draw a line between the molecule and its name. Slide 3 An element is…

Slide 1 How many valence electrons are in an atom of magnesium? 1.2 2.3 3.4 4.5 Slide 2 How many dots around a silicon atom in a Lewis Dot? 1.2 2.4 3.6 4.8 Slide 3 What is…

Slide 1 Slide 2 Before we can balance equations, we need to be able to count the atoms in a compound or molecule. Example: O 2 There are 2 atoms of oxygen in this molecule.…

Slide 1 1 Chapter 4Atoms and Elements 4.5 Isotopes and Atomic Mass Basic Chemistry Copyright © 2011 Pearson Education, Inc. Slide 2 2 Isotopes are atoms of the same element…

Chemical Formulas Moles Moles Moles ⦠Chapter 7.3 1 How do we use these? These indicate which of the elements make up a substance. These also indicate the number of ions…

18 Oct. 2010 18 Oct. 2010 Take out Homework: Week 6 Homework #6-9 AND class work from Friday Objective: SWBAT model and describe the structure of atoms and trends in ionization.…

Slide 1 Atoms Atom Smallest part of an element with all the properties of that element. 2 parts 1. Nucleus Center of atom most of atomic mass contains protons & neutrons…

Ionic Compounds Ionic Compounds Why are they formed? How do we go about naming and writing formulae? Compounds Recall from the last section that compounds are: Pure substances…