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 ( 39+ )
Otras preguntas
A social policy generates _____ if it produces social and economic benefits that outweigh the costs associated with that polic
Which 5-carbon intermediate of the citric acid cycle is converted to a 4-carbon molecule with the release of carbon dioxide?
While we covered mergers and acquisitions in this unit, let’s turn our focus to strategic alliances. what are the three types of strategic alliances? what are t
What should a comprehensive fitness program focus on to develop the physical skills necessary for combat?
why stomata on the leaf are found down the leaf than the upper
The idea that the behavior of chromosomes during meiosis accounts for the patterns of inheritanceis known as ____________
A 1. 30 kg block slides with a speed of 0. 855 m/s on a frictionless horizontal surface until it encounters a spring with a force constant of 552 n/m. The block
Unreimbursed employment related expenses are classified as deductions for agi. a. true b. false
The ability to meet short-term obligations and to efficiently generate revenues is called:________.
Suppose that two fair dice are rolled. find the probability that the number on the first die is a 1 or the number on the second die is a 4
