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What is the first element with 6 unpaired electrons? Calculate the density of gaseous SF6 at 50.0°C and 650. torr.? Convert 425° to radians.? Please explain this joke.
"Stay away from NEGATIVE people. They have a problem for every SOLUTION."? Carbon 14 has a half-life of 5730 years. determine its decay constant. enter just a real number rounded to 5 decimal places. show how to do?