It is not possible to carbon date rocks. Carbon 14 dating is based on the absorption of atmospheric carbon by living things. When the thing dies it no longer takes in carbon from the atmosphere...
Dry, seasoned wood is best. The type of tree is not as important as moisture content. Wood must be allowed to dry for a minimum of 12 months, under cover, after being split and stacked. Popular...
The number of nucleons (protons and neutrons). Since both protons and neutrons are pretty close to one atomic mass unit, it's also approximately the mass of the atom.
It was to Mizner Park (town center) and we ate, sat by the fountain, stayed out late. My date wasn't offensive ...in fact they were emotional and romantique.