Help me plz?? I don't understandd
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Chemistry, 21.06.2019 21:00, gilbert325
Write the chemical symbols for three different atoms or atomic cations with 27 electrons. asap!
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What are the 4 phases of matter in order of increasing engery content?
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Chemistry, 22.06.2019 07:30, bbyniah123
11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg
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