Not your question?
Ask your question
View similar questions
Add your answer here.Check out some similar questions!
My best friend doesn't treat me like I treat her; how do I confront her?
[ 4 Answers ]
Dear listener, This morning, my best friend woke me up with a call. She literally told me to meet her at her school without asking if I felt better (I have the flu; she could easily tell with my changed voice). Curiously, I asked why she wanted me to come; she said "i really need my debit card, im...
Radioactive elements
[ 1 Answers ]
Amongst the radioactive elements that were incorporated when the Earth was formed were: Uranium 238U with a half-life of 4.5 × 109 y Uranium 235U with a half-life of 7.1 × 108y Thorium 230Th with a half-life of 8.0 × 104 y Iron 60Fe with a half-life of 1.5 × 106 y Manganese 53Mn...
Radioactive isotopes
[ 1 Answers ]
Hi I have one important question n homework. Which radioactive isotope is better to date a fossil 20000 years old,6 billion years old and 20 billion years old?please help me a.s.a.p:confused: Your help is really appreciated.thank youu Xx
Radioactive Shielding
[ 1 Answers ]
The transport of radioactive samples must follow strict guidelines to ensure that the exposure is very low. A 100 mCi sample of 212Pb is placed at the centre of a cubical lead lined box, each side of which has a length of 30cm. Calculate the thickness of lead required to reduce the dose level at... View more questions Search
|