joselynvaleria07 joselynvaleria07
  • 01-10-2020
  • Mathematics
contestada

have 40 protons, 30 neutrons, and 42 electrons, which of the following is
true? (There are multiple answers!) *
Mass = 40
Mass = 70
Mass = 82
Mass = 112
Charge = -2
Charge = +2
Charge = +10
Charge = -10
​

Respuesta :

getuabera41 getuabera41
  • 01-10-2020

Answer:

70 and-2

Step-by-step explanation:

the mass is 70 and the charge is -2

Answer Link

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