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

Cars entering our field of vision from the side require the use of ___________. A. peripheral vision B. central vision C. both peripheral and central vision
Find the area of an equilateral triangle (regular 3-gon) with the given measurement in terms with a radical. 6-inch side. A = sq. in.
In the first year of ownership, a new car can lose 20% of its value. If a car lost $4200 of value in the first year, how much did the car originally cost?
(the photo is horizontal) Can every number be represented as a decimal? Please help
Which city did Muhammad return to and declare the holiest city in Islam?
10.4% of what number is 13
1000 equals 50 divided by X?
PV=nRT , for V how do I figure this out?
lisa is painting a fence that is 26 feet long and 7 feet tall. A gallon of paint will cover 350 square feet. Write and slove a proportion to determine how many
Simplify the following expression. (45x + 64y) - (3x - 16y) A.42x - 80y B.42x - 48y C.42x + 80y D.42x + 48y