Question

Why is the symbol s for sulphur but na for sodium and si for silicon?​

Answer 1

For Sodium the symbol is Na derived from Natrium, because the symbol S was already taken for Sulphur so Si is the symbol for Silicon

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Answer 2

Answer:

While naming an element first letter of the element is time and written in capitals. In case if the letter is already adopted. We use a symbol derived from latin word of the element name. In some cases, we use the initial letter in capital together with a small letter from its nature.

Explanation:

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