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pt.2
Term | Definition |
---|---|
valence electrons | the electrons furthest from the nucleus they are responsible for atoms forming compounds |
molecule | 2 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 nonmetal |
octet rule | elements are stable when their valence shell is full . this can be done with 8 or in some cases 2 |