rachelfugere00 rachelfugere00
  • 03-04-2017
  • Physics
contestada

How many neutrons does element X have if its atomic number is 40 and its mass number is 160?

Respuesta :

dellaM dellaM
  • 03-04-2017
160-40 = 120 ................
Answer Link

Otras preguntas

The perimeter of a rectangular painting is 304 centimeters. If the length of the painting is 95 centimeters, what is its width?
Find five consecutive integers such that: “The sum of the first and 3 times the fourth is equal to 39 less than twice the sum of the second, third, and fifth.”
Triangles WSR and TVR are similar. Find x. one-half 2 three-halves 3
NGSS Physics 7. Hans throws an apple straight up with an initial velocity of +35 m/s. Ignoring air resistance, how long will it take the apple to reach the top
calculate the surface area or a sphere or radius 7.3 cm.
please help if possible
How long do dogs live
Please answer the question in the picture down below.
What are the co-vertices of the following graph?
could u pleas show the work