please explain formula writing in chemistry
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please explain formula writing in chemistry
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Thus valencies get exchanged while writing formula.
1.The 1 of Sodium goes to Oxygen
2.The 2 of Oxygen goes to Sodium.
NOTE:Na is Sodium element; O is Oxygen element
Not to confuse Atomicity with Valency. Atomicity is the number of atoms present in one molecule/atom of a compound/element respectively. E.g.- Atomicity of is 2 and that of is 1.
It expresses state of the substances,temperature,catalysts,symbols.etc