Question

Please help

Mineral classes such as halides, sulfates, carbonates, oxides, and sulfides can contain all of the following elements, except _____.

silica
oxygen
fluorine
sulfur

Answer 1

silica

Step-by-step explanation:

Answer 2

Mineral classes such as halides, sulfates, carbonates, oxides, and sulfides can contain all of the following elements except silica.