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chem final acs exam

QuestionAnswer
isotope same number of protons and differing number of neutrons aka same atomic #, different atomic MASS (different mass #s)
mass of an element on the periodic table is a weighted average, or average atomic mass
relative abundance
what are the 7 diatomic molecules H2, N2, O2, F2, Cl2, Br2, and I2
atomic number number of protons in an atom of the element
the energy of the electron energy levels in hydrogen depends on the value of n, the principle quantum number
isotope
allotrope
isomer
isoelectric
enthalpy of formation the enthalpy change when 1 mole of a compound forms from its constituent elements in their standard states and reversed
formation reaction a reaction that produces 1 mole of product from its elements in their standard states
Created by: user-1759191
 

 



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