Physics, asked by acevedojo666, 2 months ago

what is the half life of Tc-99 is 500g sample decays to 62.5g in 639000 years

Answers

Answered by s1709singh

2

Answer:

213000 yrs

Explanation:

Simply by definition

T 1/2 means time in which amount gets half

So 500g ÷2 = 250

250÷2= 125

125÷2=62.5g

Since three times amount gets half

3t 1/2 = 639000 yrs

t1/2= 213000 yrs

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