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Chemistry, 21.01.2021 18:40 groundcontrol
Please help.
Answers: 3
Chemistry, 21.06.2019 20:30, johngayden46
Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?
Answers: 2
Chemistry, 22.06.2019 13:00, yaneiryx5476
Is 9 correct? and can someone me with 10? it’s due tomorrow, you
Answers: 1
Mathematics, 29.01.2021 02:50
Chemistry, 29.01.2021 02:50
Mathematics, 29.01.2021 02:50
Mathematics, 29.01.2021 02:50
Mathematics, 29.01.2021 02:50