subject
Chemistry, 11.02.2022 01:20 peno211

n the early 1960s, radioactive strontium-90 was released during atmospheric testing of nuclear weapons and got into the bones of people alive at the time. If the half-life of strontium-90 is 29 years, what fraction of the strontium-90 absorbed in 1965 remained in people's bones in 2003?

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 22.06.2019 10:00
Miner's coal distributors does not mine coal itself, nor does it even store or handle the coal. instead, miner's solicits orders for low sulfur coal from other firms, then purchases the required amount from suppliers and directs them to ship the coal to its customers. what is miner's
Answers: 1
question
Chemistry, 22.06.2019 11:00
What is the molar mass of a gas that has density of 2.054 g/l
Answers: 2
question
Chemistry, 22.06.2019 16:50
Which element is least likely to undergo a chemical reaction
Answers: 3
question
Chemistry, 22.06.2019 21:30
The solid xy decomposes into gaseous x and y: xy(s) m x(g) + y(g) kp = 4.1 (at 0 °c) if the reaction is carried out in a 22.4 l container, which initial amounts of x and y will result in the formation of solid xy?
Answers: 1
You know the right answer?
n the early 1960s, radioactive strontium-90 was released during atmospheric testing of nuclear weapo...
Questions
question
Mathematics, 02.10.2019 21:00
Questions on the website: 13722361