C14 is an isotope of C12 Carbon. (C12 contains only 6 protons and 6 neutrons that are considered as stable element). Ionization of atmosphere converts C12 Carbon to C14.

Name: 14 CAtomic Weight: 14.0032419887.Half-life: 5707.762557078 .Boson, 6 proton, 8 neutron,Spin 0 Parity 1.C14 shows the chemical properties of tetravalent Carbon.

Carbon dioxide containing C14 is absorbed by plants that synthacize Carbohydrates that contains a little bit of C14, that does not lose radioactivity by any means we see the loss of magnetism, but only undergo decay to an element of next atomic number.

Except radioactivity and weight difference all other features remains the same). Whereas, N14 is the basic component of Nitrogen. Element Nitrogen (N), Being a gas occurs in Allotropic form encompassing 78% of our atmosphere and is a constituent of aminoacids.

N14: Group 15, p-blockAtomic Number 7,Mass 14.007. (C12 hasValancy 3 & 5.HCN (Trivalent Nitrogen)AgNO3 (Pentavalant)

All elements originated from Hydrogen by Nucleo synthesis such a way that 4H atoms fuse to form a Helium. 3 Helium fuse into Carbon and 4 Helium to one Oxygen. Some elements formed by fusion undergoes decay at any temperatures to form elements of other weights and Atomic numbers.

Radium decays to Uranium in turn becomes lead. Radio isotope of Iron decays by electron capture to manganese-55 and this process has a half-life of 2.737 years. Decay of Potassium to 40 Calcium(β-); 40 Argon(β+, γ) etc. Nucleosynthesis stops on planets. A few elements are man made in atomic reactors for theraputic purposes.

Sun containing some iron may be second or third generation star. Stars having high luminence extinct soon. Some 1st generation (13.5 billion years) aged red dwarf stars having 1st or 2nd level fusion elements and devoid of heavy metels exist in Milkyway. Heavy elements synthasised in big stars in a generation wise process, that each one undergoing massive nupernova exploition discharge a lot of debris that eventually form a new star and planetery system.