blackstar7746 blackstar7746

02-10-2017
Chemistry

contestada

How many neutrons are in the calcium-47 nucleus?

Respuesta :

shyannelegrant8 shyannelegrant8

02-10-2017

Their are 27 neutrons total

Answer Link

kayleebueno kayleebueno

02-10-2017

mass number = number of protons + number of neutrons. 47 = 20 + neutrons, so neutrons equal 27. Hope that helped :)

Answer Link

Otras preguntas

Which of the following molecules has polar bonds but is a nonpolar molecule? a. H₂ b. H₂O c. NH₃ d. NaCl e. CO₂ Can anyone explain this one?

Which of the following oxides can dissolve in water to form a solution that would turn litmus indicator red in color? a. MgO b. K₂O c. CO₂ d. ZnO e. H₂O

1. What is the respiratory structure of a millipede? A. book lungs B. tracheal tube C. gill slits 2. what is the respiratory structure of a spider? A. gills B.

1. What is the respiratory structure of a millipede? A. book lungs B. tracheal tube C. gill slits 2. what is the respiratory structure of a spider? A. gills B.

Many colonial people volunteered to fight for the Allied forces because they hoped their service would win their colony's ____

Over what period of time would you expect to see large changes in mountains,canyons,and similar features of the earth?

A bottle rocket that was made in science class had a trajectory path that followed the quadratic equation y=-x^2+4x+6. What is the turning point of the rocket's

The following statements about carbon dioxide are true EXCEPT a. It can be prepared by the action of acid on CaCO₃ b. It is used in fire extinguishers c. It d

if f(x)=|3x-4|+2, find f (-10)

I need a Amazon tribe name please! Need for Monday