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Atomic theory P2

Atomic theory

Valence electrons the electrons farthest from the nucleus; they are responsible for atoms forming compounds.
Molecule to or more atoms chemically combined.
Compound 2 different atoms chemically combined.
Mixture a combination of 2 or more different atoms or molecules that are not chemically combined.
Covalent bond chemical bond between 2 nonmetals.
Ionic bond chemical bond between a metal and a nonmetal.
Octet rule elements are stable when their valence shell is full. This can be done with 8 or in some cases 2.
Alkali Metals reactive, and has 1 valence electron
Alkali Earth Metals they react with water, and have 2 valence electrons
Transition they are less reactive, and the number of valence electrons is unknown
Halogens they're toxic, and have 7 valence electrons
Inert Gases they're quite stable, and have 8 valence electrons
Created by: kk65188