(a(1))[1]
State how many protons are present in the nucleus of carbon-14.
(a(2))[1]
State how many electrons are orbiting the nucleus of carbon-14.
(a(3))[1]
State how many neutrons are in the nucleus of carbon-14.
(b)[3]
Compare the nucleus of carbon-14 with that of carbon-12, and state how they are alike and how they differ.
(c)[3]
Carbon-14 is used by scientists to estimate the age of very old wood. Estimate the age of the wood sample.