CHAPTER 2 ATOMS, MOLECULES, AND IONS Development of the Atomic Theory 18. Law of conservation of mass: mass is neither created nor destroyed. The total mass before a chemical…

1. How about such as tablespoon of sugar or a tablespoon of salt? How will you determine the number of particles in a tablespoon of salt? Is the number of particles in a…

1. Chapter 3 2.  3.1 atomic mass  3.2 Avogadro’s number and molar mass of an element  3.3 molecular mass  3.5 percent composition of compounds  3.6 experimental…

Slide 1 Periodic table Groups – Columns down Alkali Metals Alkaline Earth Metals Halogens Noble gases Periods – Rows across Lanthanides Actinides Groups – Columns down…

Slide 1 Slide 2 Using Chemical Formulas 7-3 Slide 3 Beaker Breaker 1.Name the following compounds: CaCl 2 = ____________ P 3 O 6 = _____________ FeCl 2 =______________ H…

Using Chemical Formulas 7-3 Beaker Breaker Name the following compounds: CaCl2 = ____________ P3O6 = _____________ FeCl2 =______________ H2SO4 =______________ Formula Masses…

PowerPoint Presentation General Chemistry Faculty of Allied Medical Sciences (MGGC-101) Supervision: Prof.Dr.Shehata El-Sewedy Dr.Fatma Ahmed Chemical stoichiometry Outcomes…

Molecular Bonds (Putting Elements Together) Molar Mass Each atom has an atomic mass Molar mass is the atomic mass of all the atoms in the molecule summed together For Example:…

BASIC CHEMISTRY Honors Biology Recall: Levels of Organization Biology Depends on Chemistry In our biosphere, everything is made of atoms Through the interaction of chemicals…