Scientists determine that the wooden beams of a sunken ship have 67 % of the concentration of carbon-14 that is found in the leaves of a tree alive today. find the age of the ship, and explain how you determined it.

What is limiting reactant? with examples

The first element on the periodic table of elements is carbon. a. true b. false

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.