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08-01-2019
Chemistry

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Science-it’s a pic with two questions. Plz help

Scienceits a pic with two questions Plz help class=

Respuesta :

08-01-2019

Answer:

Q5: 9; Q6: 13

Step-by-step explanation:

Question 5.

The atomic mass is the number of protons plus the number of neutrons.

A = p + n

A= 4 + 5

A = 9

Question 6

In a neutral atom, the number of protons equals the number of electrons.

p = e

p = 13, so

e = 13

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