Respuesta :
Answer:
Sodium Sulphide.
Explanation:
The chemical name is sodium sulphide. The valency of the sulphide ion is 2 while the valency of sodium is 1 . That is why the molecule contains 2 sodium ions.
Answer: sodium sulphide.
Explanation:
[tex]Na_2S[/tex] is an ionic compound because sodium element is a metal and sulphur element is a non-metal. The bond formed between a metal and a non-metal is always ionic in nature.
The nomenclature of ionic compounds is given by:
1. Positive is written first.
2. The negative ion is written next and a suffix is added at the end of the negative ion. The suffix written is '-ide'.
Hence, the name of [tex]Na_2S[/tex] is sodium sulphide.
Therefore, the correct answer is sodium sulphide.
