anishaadhikari077 anishaadhikari077
  • 02-01-2021
  • Chemistry
contestada

calculate the mass of one atom of helium.​

Respuesta :

sumi9813
sumi9813 sumi9813
  • 02-01-2021

Answer:

One atom lf helium has a mass of 4 u

Know that 1 u =1.66. 10-24g

Answer Link

Otras preguntas

lois invests 650 every 6 months at 4.6%/a compounded semi-annually for 25 years. How much interest will she earn after the 25th year
Terrell needs the total weight of his backpack, water jug, and sleeping bag to be less than 11 kilograms. His backpack weighs 9,580 grams, his water jug is 1.25
please help me !!! urgent help needed! If 85C - 170A = 306, and 255A + 85B = 714, then what is the average of A, B and C?
Explain in a few sentences in English why the American “Declaration of Independence” and the French “Declaration of the Rights of Men and Citizens” are related
Can u contract hiv by going to a barbershop if they don't clean their instruments after every use
List and describe two events following the Panic of 1873
factor each polynomial y²-81
What was the first dance in a baroque suite? hornpipe air allemande gavotte?
Can u contract hiv by going to a barbershop if they don't clean their instruments after every use
What is the main argument of Thomas Paine’s pamphlet, Common Sense? Paine argues that America has flourished with Great Britain and should remain loyal. Paine