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Chemistry Ch. 13-14

Chemistry Ch. 13-14 Master Books

TermDefinition
electronegativity the tendency to attract electrons
periods (periodic table periods) horizontal rows of the periodic table
groups (periodic table groups) vertical columns of the periodic table
valence electrons electrons in an atom with the highest principle quantum number
octet rule atoms are more stable in chemical bonds when they have 8 valence electrons (with the highest principle quantum number)
scientific law Consistent observations, such as the law of gravity. These are observations, not explanations (which would be hypotheses or theories)
principal quantum number In the expression 3s^2, 3 is the principle quantum number indicating the energy level of the orbital. The number 2 is the number of electrons in the 3s orbital.
Created by: lacasamama
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