elements · 7 / 118 · All 118

Nitrogen

Z: 7
Mass: 14.007
Lifeforce: Air
In the body: lungs, muscle, dna

The breath of Earth: 78% of the atmosphere is nitrogen. With every breath you draw it in, pure air in elemental form. And bound, that same substance sits in every protein, every strand of DNA.

Kites and birds weave a bridge of threads between two hills. — Plate · Air Air never keeps to itself. It *connects* what two hills hold apart.

Made in stellar CNO cycles in stars heavier than the Sun. Released to the cosmos when those stars die.

Lab note · 3% of your body, ≈1.8 kg. Every amino acid contains nitrogen: without it, no proteins, no enzymes, no thought.

Tool · Cosmic origin

Where your atoms come from

N · Star fusion

Forged in the cores of living stars over billions of years of stellar fusion.

14 of the 118 elements share this origin.

Choose a stage: click, or arrow keys. · Cosmic nucleosynthesis · current standard model

Tool · Periodic table

Your place in the system

H He Li Be B C N O F Ne Na Mg Al Si P S Cl Ar K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Cs Ba La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn Fr Ra Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og

Fire
Water
Air
Earth
Source

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