TheCoolMan015 TheCoolMan015

11-04-2018
Chemistry

contestada

How many neutrons does element X have if its atomic number is 31 and its mass number is 84?

Respuesta :

11-04-2018

Atomic number is protons + electrons
Mass number is protons + neutrons
So to calculate the number of neutrons, you do
atomic number - atomic mass
31 - 84 = - 53

Answer Link

maxizakh25 maxizakh25

22-02-2021

Answer:

Atomic number is protons + electrons

Mass number is protons + neutrons

So to calculate the number of neutrons, you do

atomic number - atomic mass

31 - 84 = - 53

Explanation:

Answer Link

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