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chapter 17-18
Term | Definition |
---|---|
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. |