Subatomic particles Electron Proto n Neutro n Nam e SymbolCharge Relative mass Actual mass (g) e-e- p+p+ n0n0 +1 0 1/1840 1 1 9.11 x 10 -28 1.67 x 10.
Chem 101 week 3
2.1 Minerals Are All Around Us Minerals are basic building blocks of Earth.
Matter and Change. A. Basic Vocabulary 1. Matter-Anything that takes up space and has mass. 2. Weight is a measure of the pull of gravity on an object;
Matter. 1. Matter-Anything that takes up space and has mass. 2. Mass is the measure of the amount of matter an object contains. A balance measures mass.
1 Elements and their atoms Each element of the Periodic table is built from one type of atom Atoms have a nucleus containing protons and neutrons, surrounded.
Atoms are the smallest form of matter Nucleus: ◦ Protons (positive) ◦ Neutrons (neutral) ◦ Protons & neutrons make up most of the atom’s mass Energy.
Chapter 5 Key Terms AnalysisAtoms ElementSymbols Diatomic MoleculeMolecular Formula Pure SubstancesMixtures Homogeneous MixtureSolution Heterogeneous MixtureColloids.
Chem 161 Chapter 1: Matter, Energy, and the Origins of the Universe Problems: 1.1-1.10, 1.14-1.22, 1.24-1.93, 1.96.
Ch. 2 – Basic Chemistry I. Structure of the Atom Chemical Symbols Subatomic Particles.
Chapter 14: The Atom
