gavinperkins1290 gavinperkins1290
  • 17-12-2017
  • Chemistry
contestada

What percentages of atoms are heavier than hydrogen and helieum?

Respuesta :

Gollywolly Gollywolly
  • 17-12-2017
Look at a periodic table. Ptable.com is great. Amu= g/mol which is found under the symbol. divide the number heavier by the total and multiply by 100 to get percent.
Answer Link

Otras preguntas

How to use the word apartheid In a sentence that has to do with the holocaust.
How to use the word apartheid In a sentence that has to do with the holocaust.
90 is 1/10 of what number
Find the diffrence (7x2  +  x  +  9)  -  (3x2  +  4x  -  5)
how do i get the answer to the problem 0.5(n-14)=1
two crews working toward each other are 9.45 miles apart. one crew paves 1.5 miles per day, and the other paves 1.2 mi per day. How long will it take them to me
what is 400 divided by 60
How to solve 2.25t+5=13.5t+14
x+2y=6 2x=8-4y how to solve and is it consistent or inconsistent
If an Alaskan mountain is over 20,300 ft high , then it is the highest in Alaska . Draw conclusion from the following statement .