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HBHD 1 - Ch 2

Chemistry of Life

QuestionAnswer
Composed of several kinds of subatomic particles: protons, electrons, and neutrons Atom
The core of the atom. Contains positively charged protons and uncharged neutrons. Nucleus
The number of protons within the nucleus Atomic Number
The total of the protons and neutrons combined Atomic Mass
The limits in which electrons dart around constantly. Each one can hold 2 electrons Orbitals
Arrangement of orbitals based on its proximity to the nucleus. Energy Levels
Pure substances composed of only one atom. Elements
Substances whose molecules have more than one element in them. Compounds
Particles of matter that are composed of one or more atoms Molecules
A bond that is formed when one atom attaches to another by DONATING 1-2 electrons from its outermost level Ionic Bond
A bond that is formed when two atoms join by SHARING electrons. Convalent Bonds
A bond formed when oppositely charged ends of molecules are electrically attracted to each other. This is a weak attraction/bond. Hydrogen Bonds
Compounds that contain carbon-carbon (C-C) covalent bonds or carbon-hydrogen (C-H) covalent bonds, or both. Organic Compound
Compounds that typically DO NOT have carbon atoms in them and never have C-C or C-H bonds. Inorganic Compound
Compound of H2 and Oxygen Water
Compounds that produce
Created by: bwk
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