Respuesta :
42
Z=42,
A
=
100
A=100: Protones = 42, Neutrones = 58, Electrones = 42
Z
=
85
Z=85,
A
=
170
A=170: Protones = 85, Neutrones = 85, Electrones = 85
Z
=
35
Z=35,
A
=
75
A=75: Protones = 35, Neutrones = 40, Electrones = 35
Z
=
90
Z=90,
A
=
210
A=210: Protones = 90, Neutrones = 120, Electrones = 90
Z=42,
A
=
100
A=100: Protones = 42, Neutrones = 58, Electrones = 42
Z
=
85
Z=85,
A
=
170
A=170: Protones = 85, Neutrones = 85, Electrones = 85
Z
=
35
Z=35,
A
=
75
A=75: Protones = 35, Neutrones = 40, Electrones = 35
Z
=
90
Z=90,
A
=
210
A=210: Protones = 90, Neutrones = 120, Electrones = 90