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 ( 26+ )
Otras preguntas
Help me with the answers please
25 points! answer all the questions
Which of the following best explains a result of the Seven Years' War (French and Indian War)? France sold the Louisiana Territory to Great Britain. Great Brita
Which of the following is the best description of a graph? A.Equations that can be plotted B. A representation of an equation C. Independent and dependent varia
A bag holds 11 beads 7 of the beads are red the rest are white two beads are taken at random work out the probability that one one bead of each colour is taken
Which of the following equations has no real solutions? A. 3(x − 4) = 3x − 12 B. 3x − 4 = 3x − 4 C. 3x − 4 = 12x − 4 D. 3(x + 4) = 3(x + 11)
_____ is when a once-productive area in turned into an unproductive, barren wasteland.
Consider two laboratory carts of different masses but identical kinetic energies and the three following statements. Which of the statements below would be corr
Which function returns a valid value without any arguments? TODAY SQRT COUNT ROUND NOW
Kelly offers to sell a certain used forklift to Lumber Outlet, but Kelly dies before Lumber accepts. Most likely, Kelly’s death a. shortens the time of the off
