An artifact contains 1/4 as much carbon-14 as the atmosphere. how old is the artifact

100 points answer quick 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.

What are the major types of a chemical compound

If you burn 46.6 g of hydrogen and produce 416 g of water, how much oxygen reacted