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 ( 46+ )
Otras preguntas
what is the formula for a cylinder and a circle?
Choose the word that describes a person who is smart but in a sneaky way. A. Sharp. B. Cunning. C. Intelligent. D. Skillful.
the bases of a softball field are 60 feet apart. How far apart is home plate from second base?
there is $100 in my piggy bank. My friend and I went to the mall and i spent $20. How much money do i have now?
which Enlightment thinker wrote that people in society are bound to one another by an implicit ' social contract,,
how do I solve for x in x^2 - 8x + 12 = 0 using factoring?
13. (1 pt) Who was Hiram Bingham? A. a Harvard-trained archaeologist who first explored the Maya ruins at Tikal B. a Yale-trained explorer who first discover
1. What is the value of the expression below? Please show work 3⁴+9= A.21 B.39 C.43 D.90 2. Which expression is equivalent to 5(d+1)? Please show work A.5d+5 B.
What is (7/12)/(5/9)? In simplest form..
What is -9*c^.5? Can you please help!! I am so lost!!!
