VIEWS: 9 PAGES: 2 POSTED ON: 11/5/2012
Chapter 3 NOTES OUTLINE: Atoms • Atoms are the smallest building blocks of matter, that cannot be broken down by chemical means: Subatomic Particles: - - - - - • Nucleus: Center of the atom. Contains protons and neutrons. Has a positive charge. • Large area that surrounds the nucleus and contains the electrons. – Divided into different energy levels or orbitals. – Valence electrons are in the outermost level. • Chemical bonds are formed when atoms share or exchange electrons. • Compounds are formed when elements bond. – Covalent Compounds are formed when 2 elements share a covalent bond. • Molecules with a partial electric charge on one side are called Polar molecules • When bonded to oxygen, nitrogen, or flourine, hydrogen maintains a slight positive charge.
Pages to are hidden for
"Chapter 3 NOTES OUTLINE:"Please download to view full document