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 ( 17+ )
Otras preguntas
Which best defines the phrase "end of the Cold War"? A. Communist countries have disarmed all of their nuclear weapons. B. The Berlin Wall between East and W
what is one of the biggest criticisms of the USA PATRIOT act
make one costume, Rachel uses 6 yards of material and 3 yards of trim. Suppose she uses a total of 48 yards of material to make several costumes. How many yards
how did the first two major american political parties differ.
when was the french second republic set up and how were legislators elected
Cite 5 examples of organisms that reproduce sexually
In the context of European colonization, Portugal controlled Mozambique and A. Kenya B. Angola C. Madagascar D. Congo
Kenya has a _______ government, meaning the governmental authority is concentrated in a single main body. presidential federal unitary confederate
Dena is biking down a 9/10 mile bike trail. She stops to greet a friend after biking 1/3 of a mile. How much farther does she need to travel? Draw a picture and
why is the lower epidermis of zebrina a complex tissue