queentorii queentorii

18-09-2016
Chemistry

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half life in chemistry I wasn't here when we did this

half life in chemistry I wasnt here when we did this class=

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daltonpayne daltonpayne

20-09-2016

A half-life is the amount of time it takes for half of a substance to decay.

1.) After one half-life - 13.5mg.
After two - 6.75mg
Three - 3.375mg

2.) 250mg of Iron-59 will remain.

3.) 14 days is the half-life of Phospherous-32.

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