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Chemistry of Life

Vocab: Intro to Chemistry

TermDefinition
Isotopes atom with the same atomic number but different atomic mass
Chemical Bond electrons' of one atom interacts with electrons in another
Valence Shell the outermost shell
Valence Electrons electrons in the outermost shell
Ionic Bond transfer of valence electrons between atoms
Covalent Bond atoms that differ from the stable configuration by more than 1 electrons tends to share electrons in joint orbital with other atoms
Compound a substance of two or more elements in a fixed ratio
Electronegativity the abilty of an atom to pull electrons towards itself
Nonpolar Covalent Bond bonding electrons shared between two atoms
Polar Covalent Bond bonding electrons shared unequally between two atoms
Mass Number number of protons + number of neutrons
Atomic Number number of protons
Nuetral Atom equal number of protons and electrons
Stable Atom no vancancies in the valance shell
Molecules two or more atoms
Hydrogen Bond interaction involving a hydrogen atom located between a pair of other atoms having a high affinity for electrons
Van Der Waals Forces forces that are dependent on the distance between atoms or molecules
Created by: amh7528
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