Slide 1 Stoichiometry: Measurement of Elements Slide 2 Formula Weights Sum of the atomic weights (amu) of each atom in a chemical formula. Called “molecular weight” or…

Slide 1 Chapter 3 Mass Relationships in Chemical Reactions By Blake Winokur Slide 2 3.1 Atomic Mass The mass of an atom is so small that the smallest speck of dust that our…

Slide 1 1 Chemical Composition Chemical Quantities Chapters 9&10 Pg. 221-293 Slide 2 2 Chemical Composition Atomic Masses- –Because the mass of one atom is so small-…

Chemical Quantities What's the matter? Matter is made up of either elements or compounds. Elements are pure substances made of one kind of atom. They cannot be broken…

How Atoms Differ Objectives Covered in this Presentation: 7. Locate the three fundamental particles in the atom; indicate the relative mass and charge of these particles.…

The Mole Chapter 11 Measuring Matter Section 11.1 How much is a mole? Count large # of items is easier when you use counting units like the dozen Chemists use a counting…

Regents Chemistry What’s a Mole??? One mole of donuts contains 6.022 x 1023 donuts One mole of H2O contains 6.022 x 1023 molecules One mole of nails contains 6.022 x 1023…

Practice Quiz Practice Quiz Ionic and Covalent Bonding Remember….these are our targets (so far)… Describe how one can identify a compound as ionic or molecular. Explain…

The Mole Ch.8 (8-1) Mole (mol): amt. of substance # of atoms in 12g of carbon-12 Avogadro’s constant: 6.02 x 1023 particles / mol Atoms, molecules (covalent) , formula…

The Mole Ch.8 (8-1) Mole (mol): amt. of substance # of atoms in 12g of carbon-12 Avogadro’s constant: 6.02 x 1023 particles / mol Atoms, molecules (covalent) , formula…