3D Atom Explorer
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Na

Sodium

Atomic Z: 11 · Mass A: 23

Proton (p⁺)
Neutron (n⁰)
Electron (e⁻)
Na

Sodium

Z = 11

Mass A = 23 u · Alkali Metal

Protons (p⁺)
11
Neutrons (n⁰)
12
Electrons (e⁻)
11
Orbit Velocity1.0x
Orbit Rings
Nucleus Glow
Select Element (29)

Scientific Summary

Soft, silvery alkali metal with a single valence electron. Reacts explosively when tossed into water.

Did You Know?

Sodium combined with chlorine gas forms delicious everyday Table Salt (NaCl)!

Practical Applications

Table Salt (NaCl)
Sodium-Vapor Street Lamps
Nuclear Fast-Reactor Coolant
Chemical Synthesis
Discovered By: Humphry DavyYear: 1807