loserclub122 loserclub122

12-05-2020
Physics

contestada

Question 2: The number of protons plus the number of neutrons in an atom is equal to its

A. atomic number

B. mass number

C. nuclear model

D. energy level

Respuesta :

qharper1227 qharper1227

12-05-2020

Answer B) the mass number

Answer Link

franklinkay23456 franklinkay23456

28-10-2020

Answer:

b

Explanation:

Answer Link

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