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

Which is precisely defined using the undefined terms point and plane?
Talking on the phone while driving a car is an example of what psychology
WHATS THE AREA?? PLEASE HELP!
Abe needs 13.5 feet to make a bedspread. How many yards does he need?
Can someone please help quick
What are the oxidation numbers of the atoms in this reaction? Check all that apply. Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g) 0 for Mg in Mg and MgCl2 0 for Mg(s) an
explain why President Lincoln waited for a Union victory before announcing the Emancipation Proclamation.
In order to accumulate enough money for a down payment on a​ house, a couple deposits $608 per month into an account paying 6% compounded monthly. If payments a
Explain how the Federal Reserve may use the discount rate and the reserve requirement to increase the money supply. What impact should these actions have on emp
If the x-intercept of a line is -3 and the y-intercept of this line is 8, what is the slope of this line?