Odpowiedź:
24
Mg --> p+ =12 , n° =24 -12=12
12
40
Ca --> p+=20 ,n° =40 -20=20
20
64
Cu --> p+ =29 , n°=64 -29 =35
29
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Odpowiedź:
24
Mg --> p+ =12 , n° =24 -12=12
12
40
Ca --> p+=20 ,n° =40 -20=20
20
64
Cu --> p+ =29 , n°=64 -29 =35
29