1. MATTER: "anything that has mass and volume"3 PhasesSolid / Liquid /GasElements: can not be separated naturally into smaller parts C carbon N nitrogen O OxygenCompounds:…

Chemistry Review Review Video... It’s a long one Atomic Models Democritus: Indivisible piece of matter called the atom Dalton: Elements made of atoms all alike & compounds…

Chapter 2: Chemical Context of Life Atoms and Molecules Elements and Compounds Organisms are composed of matter, which is anything that takes up space and has mass Matter…

CHAPTER 2 CHAPTER 2 AP CHEM 2.2 Review Atomic Number, Mass Number, Atomic Symbol Atomic number, Z, is the number of protons An atomic symbol represents the element The mass…

Chapter 2 Minerals Section 1 Matter: Key Concepts What is an element? What particles make up atom? What are isotopes? What are compounds and why do they form? How do chemical…

CHAPTER 2 CHAPTER 2 AP CHEM 2.2 Review Atomic number is the number of protons An atomic symbol represents the element The mass number is equal to the number of protons +neutrons…

2-1 Atoms and Subatomic Particles Atoms are the fundamental unit of all matter. Atoms contain electrons, protons, and neutrons. Figure 2-2 Elements are pure substance that…