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 ( 15+ )
Otras preguntas
how did martinique gain independence
Which sentence uses a verb that agrees with its subject?A.In a dark corner of the attic were many unopened boxes.B.Across the surface of the water glides swans.
@stewyWhich sentence uses a verb that agrees with its compound subject? A.Waiters and waitresses serve the diners at the banquet.B.cell phones and tablets i
In a titration, 45.0 mL of KOH is neutralized by 75.0 mL of 0.30M HBr. How much KOH is in 1.0 liter of the KOH solution ?
what do this mean explain the following thoughts of annemarie, "it was hard for the ones who were waiting, Annemarie knew. Less dangerous perhaps but more fear
A 3.7 kg object is lifted to a Hight of 3 meters what is the potential energy of this object
The accompanying frequency table indicates the grades on the math midterm in Ms.Dennis' class. In which interval does the median of the date lie?
@stewyWhich sentence uses a verb that agrees with its compound subject? A.Waiters and waitresses serve the diners at the banquet.B.cell phones and tablets i
Pistachios were priced at 3 pounds for $ 6.99. (a) what were the price per pound? (b) how much would 10 pounds of pistachios cost?
Which situation describes a correlation that is not a causal relationship? (1) Car color and number of car accidents(2) Hours spent studying and test score(3) A
