brittanymassey6
brittanymassey6 brittanymassey6
  • 22-06-2018
  • English
contestada

How many neutrons does element X have if its atomic number is 39 and its mass number is 94?

Respuesta :

jesseboo870
jesseboo870 jesseboo870
  • 22-06-2018
the sum of neutrons would be 55. (: I hope this helps. because if you minus the mass number by the atomic number which is always equivalent to the number of protons, you get the amount of neutrons. The amount of protons and neutrons always add up to the mass number.
 
Answer Link

Otras preguntas

How did the person’s early years influence his/her achievements later in life? This is Harriet Tubman btw
The battery in my watch must be dead since it is no longer keeping time
Seventy-five percent of the data falls below what number
What type of reaction occurs during protein synthesis to produce the primary structure of a protein?
-2z-xy=x+7 for x show work please
Suppose the leftmost digits of two numbers are 8 and 3. Can you tell which number is greater? Explain.
"how “american” was colonial art? to what extent does it illustrate the development of a new/different society?"
$8,425 divided by $10.25 please show your work
At the Red Apple Health Food Store, employees earn time and a half for any hours they work in addition to their regular 35-hour work week. Nicole Logan is paid
Uno de los proyectos de nuestro club es hacer trabajo voluntario los sábados en el _____. allí preparamos y servimos comida para la gente sin hogar.