25-09-2019
Physics

contestada

8. If an atom contains 12 protons and 10 neutrons, what's its mass number?
A. 2
B. 10
C. 12
D. 22
What it’s mass number?

Respuesta :

antonio6452 antonio6452

25-09-2019

I would be D.22 since you would add the neutrons and protons together in prefer to he the mass number.

Answer Link

Otras preguntas

A soccer ball is kicked straight up from the ground with an initial velocity of 32 feet per second. Its height above ground in feet is given by: s(t)=-16t^2 +32

What year did the Mayflower sail the ocean blue?

a sum of RS 500 is in the form of denominators of RS5 & RS 10..if the total no. of notes is 90 ,find the no. of notes of each type................

What is 3 to the 3rd power times 3 to the 4th power

Factor by grouping:4-12r+9r^2i know the answer is (2-3r)^2Can anyone explain to me how it is?

Jim, Carla and Tomy are members of the same family. Carla is 5 years older than Jim. Tomy is 6 years older than Carla. The sum of their 3 ages is 31 years. H

resources are an integral part of human survival.yet indiscriminate use of them by humans has led to a crisis situation."discuss the above ststement in light of

a sum of RS 500 is in the form of denominators of RS5 & RS 10..if the total no. of notes is 90 ,find the no. of notes of each type................

Georges Cuvier's discovery of fossils of Irish elk and giant ground sloth:

What different peoples contributed to the cultures of Spain and Portugalit has to be five different peoples