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chapter 17-18

TermDefinition
Element Any pure substance that is made of only one kind of atom.
Alchemy The one to include aspects of chemistry, philosophy, religion, metallurgy,medicine, and art.
Monotonic have 1 atom in natural state.
Diatomic 2 atoms in the natural state.
Periodicity the repetition of certain properties at a regular intervals when elements were placed in order of atomic MASS.
Octaves when arranged in seven columns every 8th element have similar properties.
Dmitri Mendalveev fixed the periodic table for atomic MASS.
Medals Belong to families with relatively few valence electrons.
octet rule atoms generally are most stable when they have a full 8 electrons in their valnce energy level.
Electron affinity deals with the strength of attraction of electrons to unbounded atoms.
Electonegativity bonds to another atoms.
Covalent bonds Non-metal/non-metal
Ionic bonds metal/non-metal
Metallic bonds metal/metal
Electron Sea theory These atoms bond by sharing their easily lost electrons among many atoms.
Created by: AbigailB