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 ( 43+ )
Otras preguntas
how do you write fraction 9/10 as a decimaland how to convert fractions into decimals
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.
The traits of populations in the forest ecosystem have changed over time. What caused the traits to change?
What happened to Mohenjo-Daro and Harappa? (They're two ancient cities in ancient India)
A toy rocket is shot vertically into the air from a launching pad 5 feel above the ground with an initial velocity of 80 feet per second. The height h, in feet,
if square root of 405 rounded to the nearest thousandth is 20.125 how do u simplify to get to that answer, thank u.
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
A 3.7 kg object is lifted to a Hight of 3 meters what is the potential energy of this object
A climber is on a hike.after 2 hours he is at an altitude of 400 feet. After 6 hours, he is at an altitude of 700 feet. What is the average rate of change?
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?