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Periodic Table -> Sodium SodiumSodium DetailsSodium Symbol: NaSodium Atomic Number: 11Sodium Atomic Weight: 22.9898What is Sodium?Sodium (atomic number 11, symbol Na) is a metal and a chemical element that was discovered in 1807 by the Cornish inventor and chemist Humphry Davy. It occurs in ...
(Chemicool Periodic Table).Sodium is from the alkali metal family. There are five more chemical elements from the same exact family. The period number of sodium is three. Na is the chemical symbol of sodium on the periodic table. Na is the symbol because it comes from the Latin word "...
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aon descending a group in the periodic table such as lithium,sodium,potassium,rubidium,caesium,the size of the atoms increases due to the effect of extra shells of electrons being added;this outweighs the effect of increased nuclear charge 在周期表里下降一个小组例如锂,钠,钾,铷,铯,原子增量的...
Neon emits a number of very strong orange-red lines that overwhelm the color of the specific element. In a spectrometer this is no problem because you just use a prism or diffraction grating to separate the light into a spectrum, then block out the neon lines. But it does mean that they...
Sodium is a chemical element; it has symbol Na (from Latin natrium) and atomic number 11. It is a soft, silvery-white, highly reactive metal. Sodium is an alkali metal, being in group 1 of the periodic table. Its only stable isotope is 23Na. The free metal does not occur in nature...
It is the most abundant alkali metal on Earth, occurring especially in common salt. Sodium is very easily shaped, and its compounds have many important uses in industry. Atomic number 11. See Periodic Table. The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014...
The chemical element sodium has the symbol Na and the atomic number 11. As a member of group 1 of theperiodic table, sodium is classified as an alkali metal. The element in its free state does not occur in nature and must be produced by the reaction of compounds. In the crust of the...
Sodium is a metal. Firstly, from the periodic table we can see that sodium (Na) has an atomic number of 11 and is a member of ... Mar 8,2024 How many neutrons, protons and electrons does a sodium atom have? A neutron is a neutral subatomic particle that, in conjunction with protons...