Slide 1 Slide 2 CH.3 ELEMENTS, ATOMS AND ISOTOPES Slide 3 Dalton’s Atomic Theory (1808) I.All matter is made of atoms II.Each element has its own kind of atom. Atoms of…

If a helium atom was the size of a full stop, then the average gerbil would be the size of the Earth. Atoms: very small Now let’s pretend that the helium atom on the right…

Slide 1 Atomic Structure Do you know your atomic structure? Slide 2 Basic Unit of Matter ATOM Sodium Atom Animation Slide 3 What is the charge of each subatomic particle?…

Did you practice your conversions today? * * Classifications of Matter Pure Substances: Matter that has a fixed or definite composition Elements Composed of only one type…

The Nucleus of the Atom Chapter 12 Great Idea: Nuclear energy depends on the conversion of mass into energy Chapter Outline Empty Space, Explosive Energy The Organization…

Chapter 2.1-2.4 & definition of moles Atoms, Molecules, and Ions Atomic Theory (Dalton) Elements are made up of atoms (Na, K, H, etc.) Atoms of same elements have same…

Chapter 4 Atomic Theory Democritus hypothesis of the atom Daltonâs atomic theory Subatomic particles Rutherfordâs atomic model Atomic mass of an element Mass number of…

Unit 2 Unit 2 Atomic Theory and Periodicity The Periodic Table The Periodic Table The periodic table is a tool used for the investigations of: average atomic mass, mass number,…

Slide 1 Chemistry Basics...... Matter, Mass, and Weight Matter: anything that occupies space and has mass Mass: measurement of the amount of matter in an object Mass does…

HL CHEM 2: Atomic Structure HL CHEM 2: Atomic Structure BY HEIMAN KWOK 12N03S 22.8.13 2.1 The atom RELATIVE ATOMIC MASS; RELATIVE CHARGE LOCATED IN THE NUCLEUS 3 Atomic Number…