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Atomic theory part 2

QuestionAnswer
Valence electrons the electrons farthest 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 non-metals
ionic bond Chemical bond between a metal and a non-metal
Octet rule elements are stable when their valance electron shell is full. This can be done with 8 or in some cases 2.
Alkali metals They react with water, and luster quickly . They have one valence electron
Alkali Earth metals They react with water. They have 2 valence electrons
Transition They don't react much . They are in group 3-12
Created by: Kr64378
 

 



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