'4 amu' diaporamas de présentation

Naming Ionic Compounds & Ions

375 views • 23 slides

The Mole Concept

The Mole Concept. Goal: To develop the concept of the mole as a useful measurement and to apply this in calculations involving mass and volume. Objectives. 1. Define the mole in terms of Avogadro's number, formula mass or molecular mass.

901 views • 21 slides

Isotopes - What are they?

359 views • 17 slides

THE MOLE

THE MOLE. MEASURING MATTER. 3 ways to measure things: count : 1 dozen = 12 apples mass : 1 dozen = 2 kg of apples volume : 1 dozen = 0.20 bushel (for typical wicker basket) We need to measure ATOMS!. MASS OF 1 CARBON ATOM. 1 amu = one proton or one neutron = 1.66 x 10 -24 g

366 views • 13 slides

Quizzes and Exams

Quizzes and Exams. Please write in non-erasable blue or black pen , no pencil! (Will lose 1 point for pencil or erasable ink) I will put periodic table on backs of quizzes, if you need them.

243 views • 13 slides

Physical & Chemical Changes

Physical & Chemical Changes. at the particulate level. E. Mylar Balloon. Physical or Chemical Change?. A.Fog in a Bottle. Physical or Chemical Change?. dust particle. water molecule. H 2 O (l). H 2 O (g). B. Dropper Bottles. Physical or Chemical Change?. Pb(NO 3 ) 2. KI. ?.

339 views • 7 slides