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Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?
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Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive
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Chemistry, 23.06.2019 01:00
Which polymers are most closely related? a. protein and nucleic acids b. cellulose and starch c. nucleic acids and starch d. nucleic acids and cellulose
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HELLPPP PLZZ ASAPP!
Which phase transitions can a gas undergo? Select the two correct answers.
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