Óxido

The video explains that water (H2O) and rust (iron oxide) are examples of oxides. It highlights that the Earth's crust is predominantly composed of oxides, with silicon dioxide making up 60%, aluminum oxide 15%, and the remainder consisting of other metal oxides.

What are the main components that make up the Earth's crust?

What is the composition of the remaining 25% of the Earth's crust after silicon and aluminum oxides?