Ответ:
Ar[B] = 10.811 = 11
Ar[Al] = 26.9815386 = 27
Ar[Si] = 28.0855 = 28
Ar[Cu] = 63.546 = 64
Ar[Ag] = 107.8682 = 108
Ar[F] = 18.9984032 = 19
Ar[Br] = 79.904 = 80
Объяснение:
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Ответ:
Ar[B] = 10.811 = 11
Ar[Al] = 26.9815386 = 27
Ar[Si] = 28.0855 = 28
Ar[Cu] = 63.546 = 64
Ar[Ag] = 107.8682 = 108
Ar[F] = 18.9984032 = 19
Ar[Br] = 79.904 = 80
Объяснение: