Sodium metal is silver white in color when it is freshly cut, but it suddenly forms an oxide layer if kept open in air.Sodium is a soft metal and it can be cut even by using a kitchen knife.Here are the interesting facts about Sodium element. That means sodium metal is less dense than water.īecause of this reason, the sodium metal floats on water. Sodium has a density of 0.97 g/cm 3, while water has a density of 1 g/cm 3. Now let’s see about sodium metal and it’s density. And if the density of object is less than the water, then it will float on water. If the object has a density higher than the water, then it will sink. You might have studied the concept of density in physics.īy knowing the density of two objects, we can come to know which object will float and which will sink in water. Silvery white State (at STP) Solid Position in periodic tableĪlkali metals Atomic number or Protons 11 Neutrons 12 Electrons 11 Symbol Na Atomic massĢ, 8, 1 Electronic configuration 3s 1 Atomic radiusĢ27 picometers (van der Waals radius) Valence electronsġ 1st Ionization energy 5.139 eV ElectronegativityīCC (Body Centered Cubic) Melting point 370.9 K or 97.7 ☌ or 208 ☏ Boiling point 1156 K or 882.9 ☌ or 1621.2 ☏ Density 0.97 g/cm 3 Main isotope 23Na Who discovered Sodium and when? Sodium Element (Na) Information Appearance So if you want to know anything about Sodium element, then this guide is for you. In fact, the table mentioned below is the perfect information box (Which gives you every single detail about the Sodium element in Periodic table.) This is a SUPER easy guide on sodium element.
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