Chemistry, 07.12.2019 03:31 brainBoy480
Arock contains 0.275 mg of lead-206 for each milligram of uranium-238. the for the decay of uranium-238 to lead-206 is 4.5 x 10 9 yr. the rock was formed yr ago.
Answers: 3
Chemistry, 22.06.2019 03:00
Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?
Answers: 1
Chemistry, 22.06.2019 05:30
Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.
Answers: 1
Chemistry, 22.06.2019 08:00
Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 1
Arock contains 0.275 mg of lead-206 for each milligram of uranium-238. the for the decay of uranium-...
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