Respuesta:
Z A (e-) (p+) (n)
Ca 20 40 20 20 20 Ca
P 15 31 15 15 16 P
Pd 46 106 46 46 60 Pd
Tc 43 99 43 43 56 Tc
C 6 12 6 6 6 C
Na 11 23 11 11 12 Na
F 9 19 9 9 10 F
Se 34 79 34 34 45 Se
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Verified answer
Respuesta:
Z A (e-) (p+) (n)
Ca 20 40 20 20 20 Ca
P 15 31 15 15 16 P
Pd 46 106 46 46 60 Pd
Tc 43 99 43 43 56 Tc
C 6 12 6 6 6 C
Na 11 23 11 11 12 Na
F 9 19 9 9 10 F
Se 34 79 34 34 45 Se