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 ( 91+ )
Otras preguntas
Which of the following is an individual characteristic of employees that improves individual mechanisms such as stress and motivation? Organizational structure
Which of the following functions gives the length of the base edge, a(v), of a right square pyramid that is 8 inches tall as a function of its volume, v, in cub
Paul wants to choose one of the two investment opportunities over three possible scenarios. Investment 1 will yield a return of $10,000 in Scenario 1, $2,000 in
How many inches are in 72.0 meters? How many yards is this?
If an integer p is to be chosen at random from 1 to 96 (both inclusive), what is the probability that p(p+1)(p+2) will be divisible by 8?
Which of the following substances is most likely to be a liquid at room temperature? a. formaldehyde, H₂COH₂CO b. fluoromethane, CH₃FCH₃F c. hydrogen cyanide
A patient has a high-deductible consumer-driven health plan. The annual deductible is $2500, of which $300 has been paid. After a surgical procedure costing $1,
Draw the structures for the following molecules (Show all lone pairs):a) Acrylonitrile, C3H3N, which contains a carbon-carbon double bond and a carbon-nitrogen
PLEASE HELP :( the area of a rectangle is (x^3-4x^2) square units and the width is (x-4) units what is the length
The management at Joy, a local jewelry store in London, has hired a comparison shopper to visit other local jewelry stores to gain product pricing information.