evis3Jazzmine
evis3Jazzmine
01-07-2016
Chemistry
contestada
what element has a half-life = to 64
Respuesta :
taskmasters
taskmasters
10-07-2016
The best answer is the isotope of strontium which is strontium-85. It has a half-life of about 64 days. The metal strontioum has four stable, naturally occurring isotopes which includes 84Sr (0.56%), 86Sr (9.86%), 87Sr (7.0%) and 88Sr (82.58%).
Answer Link
VER TODAS LAS RESPUESTAS ( 74+ )
Otras preguntas
help please! 20 points
The image above shows an anterior view of the superior end of the femur. What type of bone structure is identified by the arrow in the image above?
Draw the image of quadrilateral ABCD under the translation (x,y)→(x+4,y−3)
While flipping a weighted coin, Steven gets 10 heads and 6 tails. Based on experimental probability, how many of the next 80 flips should Steven expect to come
A population has a standard deviation of 5.5. What is the standard error of the sampling distribution if the sample size is 81?
What is the Lowest Common Denominator between 3/5 and x/x+2
Three balls, with masses of 3m,2m and m, are fastened to a massless rod of length L. The rotational inertias about the ledt
A box contains all the letters of the word UNDERSTAND. What is the probability of selecting an 'N' first and a 'D' next, if the first letter is replaced? 1/25 3
Caitlin bought 6 cookies for a total of $10. At this rate, what is the cost of 9 cookies?
How do the character and background of Emily Grierson differ from those of Homer Barron? What general observations about the SOC that Faulkner depicts can be ma
