Respuesta:
H [1,007-1,009]
Li [6,938-6,997] Be 9,012 N [14,00-14,01]
Na 22,99 Mg [24,30-24,31] P 30,97
K 39,1 Ca 40,08 As 74,92
Rb 85,47 Sr 87,62 Sb 121,8
Explicación:
espero que te ayude
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Respuesta:
H [1,007-1,009]
Li [6,938-6,997] Be 9,012 N [14,00-14,01]
Na 22,99 Mg [24,30-24,31] P 30,97
K 39,1 Ca 40,08 As 74,92
Rb 85,47 Sr 87,62 Sb 121,8
Explicación:
espero que te ayude