Nicoloveganlee
Nicoloveganlee Nicoloveganlee
  • 16-08-2016
  • Chemistry
contestada

if an atom contains 12 protons and 10 neutrons, what's its mass number?

a. 12
b. 10
c. 22
d. 2

Respuesta :

Willchemistry
Willchemistry Willchemistry
  • 16-08-2016
A = Z + n

A = 12 + 10

A = 22

Answer C

hope this helps!
Answer Link

Otras preguntas

Change 10/25 to a decimal
The bike cost $120. The sales-tax rate was 8%. What is the total cost of the bike including sales tax?
-3x - 6 = 2x - 14x - 6
can someone help me with this?
WHOEVER DOES ALL OF THIS GETS BRAINLYEST AND 5 STARS PLS HELP!!!!!!!!!!!!!! What is the estimated sum of 8/19 + 6/13? A. 1/2 B. 1 C. 1 1/2 D. 2 Estimate. 20
In the late 1800s, what was the effect of mass production on manufacturing? Machines quickly made large amounts of product. O Workers were able to make products
The distance between A (-4, 2) and B(4, 2) is.
The Continental Congress ordered 13 American warships built to fight ____? a. british army b. spanish navy c. french army d. british army
4.1.4 practice: up, up and away
Rotate this figure 90 degrees counterclockwise. pls answer quick 20 points :D