What does Na represent in chemistry?
sodium (Na), chemical element of the alkali metal group (Group 1 [Ia]) of the periodic table. Sodium is a very soft silvery-white metal.
What has a symbol Na?
Sodium is a chemical element with the symbol Na (from Latin natrium) and atomic number 11. It is a soft, silvery-white, highly reactive metal.
What do the letters Na and Cl represent?
For example, the symbol “C” represents an atom of carbon, and “H” represents an atom of hydrogen. To represent a molecule of table salt, sodium chloride, we would use the notation “NaCl”, where “Na” represents sodium and “Cl” represents chlorine.
What does N subscript a mean in chemistry?
Twitter. The numbers appearing as subscripts in the chemical formula indicate the number of atoms of the element immediately before the subscript. If no subscript appears, one atom of that element is present.
What is meant by the formula Na?
7440-23-5. Na. Sodium.
Where is Na located?
Sodium salts are found in seawater (1.05%), salty lakes, alkaline lakes and mineral spring water.
What is the molar mass of Na?
22.989769 uSodium / Atomic mass
What is represented by the symbol Cl?
Chlorine is a chemical element with symbol Cl and atomic number 17. Classified as a halogen, Chlorine is a gas at room temperature.
What does n mean in stoichiometry?
the number of moles
As always, “n” stands for the number of moles and “m” indicates the mass of a substance.
What does n stand for in science?
The newton is the Standard International (SI) unit of force. In physics and engineering documentation, the term newton(s) is usually abbreviated N. One newton is the force required to cause a mass of one kilogram to accelerate at a rate of one meter per second squared in the absence of other force-producing effects.
What is the atomic number of Na?
11Sodium / Atomic number