an iotope is the amourt or time tekes for one half or the atoms in a sample to d
ID: 114265 • Letter: A
Question
an iotope is the amourt or time tekes for one half or the atoms in a sample to d remains constant for each unique sam elow shows the decrease in the amount of paren har-life increases. Half life = 4 months 6 8 10 12 Months The graph, finsae shws that Assuing the hal ife of a sample is 4 mo,then in 4 months there wil be 0.5 gram of the parent element left and o.5 gram of the daughtr eleent wll be produced - In month8which is two hat Ives there wil be only 025 gram ot the parent element and 0.75 gram of the daughter element that is, one fourth of the parent sample in red) is lett, And montn 12, there is only one-eighth ot the parent element Uee the same principle to answer the queston below An isatope sample initialy we ghing 500 grams decays to produce a daughter clement. What is the amount of parent dement remaining ater two haf-lives? Hints 500 grams 250 grams 1000 girls 125 grams 150 grams 62.5 grams Submit My Answers Glve UpExplanation / Answer
The initial amount of product is 500 gm. In 1st half life there will be 250gm product remaining and 250gm of daughter product genetrated. In 2nd half life there will be 125gm product will be remaining and 125+250 = 375gm of daughter product will be present.
Alpha emission:
226Ra88 decays to 222Ra86
218Po84 decays to 214Pb82
Beta Emission:
40K19 decays to 40Ca20
234Th90 decays to 234Pa91
Electron Capture:
40K19 decays to 40Ar18
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.