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Chemistry, 21.06.2019 17:10
Abullet found at a crime scene may be used as evidence in a trial if the percentage of metals match to the composition of metals in a bullet from the suspect's ammunition. a forensic scientist's analysis of the bullet shows that it contains 11.9 g of lead, 0.5 g of tin, and 0.8 b of antimony. what is the percentage of lead metal in the bullet? express your answers to the one's place.
Answers: 2
Chemistry, 22.06.2019 00:00
Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.
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Chemistry, 22.06.2019 07:00
How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough
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Chemistry, 22.06.2019 07:10
Provide a stepwise curved arrow mechanism that fully explains the outcome of the reaction shown below. oh нао* heat он
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What do you mean by thick pile of volcanic materials??...
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