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let a hemisphere of radium
let a hemisphere of radium 5 be cut by a plane parallel to the base of the hemisphere thus forming a segment of height 2. find
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asked by
Oswaldo
626 views
Radium is a member of the alkaline earth family. In addition to being a part of this family, what is another property of radium
1 answer
54 views
A radium-226 sample initially contains 0.112mol. How much radium-226 is left in the sample after 6400 years. The half-life of
3 answers
asked by
Gaby
1,104 views
which hemisphere on Earth has the most land mass?(1 point)
Responses northwestern hemisphere northwestern hemisphere southwestern
1 answer
asked by
opal
65 views
In 1976 a research hospital bought half a gram of radium for cancer research. Assuming the hospital is still exists, how much of
1 answer
asked by
Kate
2,269 views
In 1976 a research hospital bought half a gram of radium for cancer research. Assuming the hospital is still exists, how much of
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asked by
Kate
509 views
Radium-223 has a half-life of 11.4 days.Approximately how long would it take for the activity of a sample of Radium-223 to
2 answers
asked by
Michelle
2,790 views
What are some things that are in the US that use or need radium to operate?
Radium has very few commercial uses these days, it
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asked by
Lanna
549 views
please help me ...Experiments show that radium at rate proportional to the amount of radium present at the moment . if half life
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asked by
NOEL
624 views
please help me with this chemistry problem.
Half-Life A radium-226 sample initially contains 0.112 mol. How much radium-226 is
2 answers
asked by
shylo
791 views