How to Write the Electron Configuration for Radium (Ra)
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How to Write the Electron Configuration for Radium (Ra)
The complete electron configuration for radium should be written as 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2.
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Radium electron configuration - Learnool
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SOLVED: This exercise uses the radioactive decay model.Radium-221 has a half-life of 30 seconds. How long will it take for 96% of the sample to decay? (Round your answer to the nearest whole number.) secondsNeed Help?Radioactive DecayMaster [Talk to Tutor /1 POINTSSALGTRIG4 4.6.021.MIMY NOTESThis exercise uses the radioactive decay model.If 250 mg of a radioactive element decays to 190 mg in 12 hours, find the half-life of the element. (Round your answer to the nearest whole number.)
SOLVED: This exercise uses the radioactive decay model.Radium-221 has a half-life of 30 seconds. How long will it take for 96% of the sample to decay? (Round your answer to the nearest whole number.) secondsNeed Help?Radioactive DecayMaster [Talk to Tutor /1 POINTSSALGTRIG4 4.6.021.MIMY NOTESThis exercise uses the radioactive decay model.If 250 mg of a radioactive element decays to 190 mg in 12 hours, find the half-life of the element. (Round your answer to the nearest whole number.)
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