basic unit of matter
the center of the atom which contains the protons and neutrons; holds DNA
negatively charged particle; located outside the atomic nucleus
substance consisting entirely of one type of atom
atom of an element that has a number of neutrons different from that of other atoms of the same element
substance formed by the chemical combination of two or more elements in definite proportions
bond formed when one or more electrons are transferred from one atom to another
atom that has a positive or negative charge
bond formed by the sharing of electrons between atoms
smallest unit of most compounds
Van der Vaals Forces
a slight attraction that develops between the oppositely charged regions of nearby molecules
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