Atom - The smallest recognizable part of an element., Proton - Positive charge, found in nucleus., Neutron - Neutral charge, found in nucleus. , Electron - Negative charge, found in orbit/cloud., Nucleus - The center of an atom. , Atomic Number - Number of protons (and electrons in neutral atoms)., Atomic Mass - Number of protons and neutrons. , Chemical Change - Produces a new substance. , Chemical Formula - Tells you what atoms and how many., Acid - pH less than 7. , Base - pH more than 7., Ionic Bond - Metal to Nonmetal, electrons are transferred., Covalent Bond - Nonmetal to Nonmetal, electrons are shared., Valence Electrons - Outermost electrons in an atom. ,

Elements and Compounds

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