The ratio of carbon-14 to carbon-12 in a chunk of charcoal from an archeological dig is deter-
mined to be one-half the ratio in a piece of
freshly cut wood. How old is the charcoal from
the dig site?

the answer is alpha particles hope i you

1. a)c-14 has two more protons

2. d)they have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.

3. c) iron and nickel.