Chemistry, 08.03.2021 20:00 pinkpearl2022
You have a sample of a radioactive isotope of an element called "Hysterium." The
half life of "Hysterium" is 6 days. If you start with a 200 g sample of "Hysterium,"
what mass of "Hysterium" will remain after 30 days?
Answers: 1
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How many atoms are in 1.4 mil of phosphorus trifluoride (pf3)
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If i make a solution by adding 83grams of sodium hydroxide to 750ml i’d water what is the molarity of sodium hydroxide
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What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate
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Chemistry, 22.06.2019 13:00
The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false
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You have a sample of a radioactive isotope of an element called "Hysterium." The
half life of "Hyst...
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