1-Complete the chart below: (7.5 pts.) Species Atom or Ion (Cation/Anion) 40 18 137 56 127 53 Ar Ba (+2) 1 (-1) # of pro
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1-Complete the chart below: (7.5 pts.) Species Atom or Ion (Cation/Anion) 40 18 137 56 127 53 Ar Ba (+2) 1 (-1) # of pro
1-Complete the chart below: (7.5 pts.) Species Atom or Ion (Cation/Anion) 40 18 137 56 127 53 Ar Ba (+2) 1 (-1) # of proton 2. What is the full electron configuration for Se²? (1.5) # of electron # of neutron Mass Number
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