IN NATURE of February 21 (p. 390) appears a letter from Prof. Wyndham R. Dunstan in which he represents me as having concluded “that carbonic acid is essential to the rusting of iron ...

Pyrite, chemically known as iron sulfide (FeS₂), is one of Earth ... like iron and sulfur align to form cubic crystals in ...

SEVERAL letters have appeared in NATURE respecting conditions under which iron rusts. The usually accepted view has been that iron will not rust unless carbonic acid is present. After a very ...

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Sulfur, in the form of iron sulfide, can cause steel to be too porous and prone to cracking. Atomic number 16, atomic weight 32.064. Silicon (Si): Silicon is the second most abundant element in ...

Geochemical evidence from laboratory experiments for a potential solid inner core at the center of Mars is reported in Nature Communications ... possibility of an iron-sulfide mineral forming ...