| metal(noun, study, treatment, science, knowledge) |
| mineral(noun, form, study, science, field) |
| molecular symmetry group theory(noun, expression, study, treatment, science) |
| nitric acid(noun, expression, study, treatment, science) |
| nitrogen(noun, study, treatment, science, knowledge) |
| oxidant(noun, form, study, science, field) |
| oxide(noun, form, study, science, field) |
| oxygen(noun, study, treatment, science, knowledge) |
| phosphoric acid(noun, expression, study, treatment, science) |
| pyrite(noun, form, study, science, field) |
| qualitative theory(noun, expression, study, treatment, science) |
| reagent(noun, form, study, science, field) |
| reductant(noun, form, study, science, field) |
| salt(noun, form, study, science, field) |
| sodium carbonate(noun, expression, study, treatment, science) |
| sodium cation(noun, expression, form, study, science) |
| sodium chlorate(noun, expression, study, treatment, science) |
| sodium chloride(noun, expression, form, study, science) |
| sodium hydroxide(noun, expression, study, treatment, science) |
| sodium oxide(noun, expression, form, study, science) |