Periodic Table Sodium Atomic Number
The elemental classification of sodium is alkali metals and it belongs to group 1 and period 3 in the periodic table of elements. In its general form it has eleven protons and eleven neutrons in its nucleus.
Sodium Big On Periodic Table Of The Elements With Atomic Number
Sodium Big On Periodic Table Of The Elements With Atomic Number
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Sodium Wikipedia
The relative atomic mass of sodium is 2298976928 u.
Periodic table sodium atomic number. The boiling point of sodium is 1156 kelvin 883. Miscellaneous facts sodium is the 6th most abundant element in the earths crust making up approximately 26 of the earth air and oceans. There are twenty isotopes but only 23na is the stable isotope among all of them.
The atomic radii decrease across the periodic table because as the atomic number. Its shemical symbol is na and its atomic number is 11. The chemical symbol for sodium is na.
The atom consist of a small but massive nucleus surrounded by a cloud of rapidly moving electrons. The density of sodium is 971 kg m 3. And the mineral hardness of sodium is 052 mohs.
Sodium was discovered in the year 1807 by humphry davy. Sodium as well as nak an alloy of sodium with potassium are important heat transfer agents. It is highly reactive.
At room temperature sodium is soft silvery white metal which can be easily cut with a knife. Sodium has an atomic number of 1 and atomic mass of 2298. Sodium is a metallic element in the first group of periodic table.
The melting point of sodium is 371 kelvin 98. It is placed in group 1 of periodic table as it has a single electron in its outer most shell that it readily donates creating a positively charged ion the na cation. On the periodic table of the elements atomic radius tends to increase when moving down columns but decrease when moving across rows left to right.
Sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. It has eleven electrons around its nucleus. Consequently the smallest atom is helium with a radius of 32 pm while one of the largest is caesium at 225 pm.
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