Ask Experts Questions for FREE Help !
Ask
    fallensv420's Avatar
    fallensv420 Posts: 1, Reputation: 1
    New Member
     
    #1

    May 6, 2008, 04:56 PM
    Half-life of atoms.
    If I have an atom with a half life of say 30 seconds and I start with 5 x10^22 atoms of a type of atom how do I figure out how many atoms remain of like 4 minutes?
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
    Uber Member
     
    #2

    May 6, 2008, 05:04 PM
    Well, every 30 seconds, you have half of them left, so in 8x30 seconds, you have of them left

Not your question? Ask your question View similar questions

 

Question Tools Search this Question
Search this Question:

Advanced Search


Check out some similar questions!

Mythological creatures half human half animal [ 14 Answers ]

What are they called? There is a general therm for all of them, and each type also has an additional name. Some of them are half horse half human, others half goat half human etc..

Half-life equations [ 3 Answers ]

The half-life of 9142Mo is 15.5 minutes. If you start with 3.5 x 1022 atoms of 9142Mo, how many atoms will remain after 31 minutes? The half-life of 31H is 12.26 years. If you start with 2.0 x 1015 atoms of 31H, how many atoms will remain after 36.78 years? The half-life of 6932Ge is 30...

Half bat-half man [ 3 Answers ]

I am trying to find the name of a movie from the 70's... There is a mad scientist on an island who intertwines animal dna with human dna... it's probably cheesy fx with costumed people. I saw it when I was a kid so I was amazed... I know there was a butterfly woman and at the end a half bat-half...

Limits in life for the half blind? [ 4 Answers ]

I'm partially blind in my left eye... I can somewhat see, but I just can't focus in on anything or read with that eye... is this going to harm me at all for getting jobs,insurance etc.. :(

My Half Dachshund Half Chihuahua has potty problem! [ 3 Answers ]

Hello my My Half Dachshund Half Chihuahua is a great dog but when it comes to the potty he is not good. He is let outside every hour but sometimes he pees in the house. I stay with him outside for 30 minutes and let him inside. I have no solution what should I do? :confused:


View more questions Search