cookiemanish99 cookiemanish99

Today at 9:45 AM
Physics

Answered

8. What is the mass number of an atom that has 12 neutrons and 11 protons?
A 11
B 24
C 23
D 12

Answer :

lasagna203 lasagna203

Today at 9:50 AM

Answer:

C. 23

Explanation:

The mass is made up by the proton and nuetrons,

12+11=23 your atomic mass

Answer Link

carla200332 carla200332

Today at 9:50 AM

C 23 is the mass number

Answer Link

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