Chemistry
Chemistry, 14.12.2020 23:30, keldrykmw4

What elements’ isotopes are used to estimate how old something is? Why do scientists use more than one type?

answer
Answers: 2

Other questions on the subject: Chemistry

image
Chemistry, 21.06.2019 22:30, officialgraciela67
Embryos of different species look very similar, which shows that the organisms share a ancestor.
Answers: 1
image
Chemistry, 22.06.2019 03:30, ruleolivas
Asample of ammonia reacts with oxygen as shown. 4nh3(g) + 5o2(g) 4no(g) + 6h2o(g) what is the limiting reactant if 4.0 g of nh3 react with 8.0 g of oxygen? o2 because it produces only 0.20 mol of no. nh3 because it produces only 0.20 mol of no. o2 because it produces two times less no than nh3. nh3 because it produces three times more no than o2.
Answers: 3
image
Chemistry, 22.06.2019 09:00, Bashirar19
Is laundry detergent an acid or a base?
Answers: 2
image
Chemistry, 23.06.2019 01:30, yarrito20011307
Which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.
Answers: 1
Do you know the correct answer?
What elements’ isotopes are used to estimate how old something is? Why do scientists use more than o...

Questions in other subjects: