Slide 1Warm Up Define these terms: Mixtures Elements Compounds Heterogeneous Pure substances Homogeneous Slide 2 Classification of Matter Matter Pure SubstanceMixture ElementCompoundHeterogeneousHomogeneous…

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. The mole concept 2. Why did people start using kilograms, meters, liters etc? 3. A mole is simply a unit of measurement. Units are invented when existing units are inadequate.…

Slide 1 Atoms This goes in the Chemistry section of your binder. Slide 2 An atom is the smallest particle of an element that has the chemical properties of that element.…

The Mole Unit 3 The Mole So far we have been dealing with numbers on the atomic scale… Atomic Number = # of protons Mass Number = # of protons + # of neutrons Atomic Mass…

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

What is a mole? What is a mole? A mole is a quantity equal to the number of atoms in exactly 12g of carbon-12. Remember that the relative atomic mass is always based on the…