Astronomers think that the Earth likely formed at the same time as all of
the other rocky materials in our solar system, including the oldest
meteorites. The oldest meteorites ever found on Earth contain nearly equal
amounts of both Uranium-238 (U-238) and Lead-206 (Pb-206). The half-life
of the U-238/Pb-206 decay pair is 4.5 billion years. According to this
absolute age-dating method, what is Earth's age? (Don't forget units!) *
Answers: 1
Other questions on the subject: Chemistry
Chemistry, 21.06.2019 22:30, Arealbot
Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.
Answers: 2
Chemistry, 22.06.2019 01:30, alfarodougoy8lvt
Agas is contained in a thick walled balloon when the pressure changes from 1.21 atm to 2.52 the volume changes from 3.75 l to 1.72 l and the temperature change from 293k to blank k
Answers: 3
Do you know the correct answer?
Astronomers think that the Earth likely formed at the same time as all of
the other rocky materials...
Questions in other subjects:
Mathematics, 19.12.2019 05:31
Social Studies, 19.12.2019 05:31
Mathematics, 19.12.2019 05:31
