Carbon has a half-life of 5,730 years and you found a fossil with 4 atoms of Carbon and 12 atoms of Nitrogen, how old would it be?

a. 0 years old
b. 5,730 years old
c. 11,460 years old
d. 17,190 years old

Which solution is an example of a nonelectrolyte? a. iodine in hexane b. sodium nitrate in waterc. acetic acid in waterd. hydrogen chloride in water

What is the solubility of substance?

In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?