Which compound is the limiting reactant

4Al + 3O2 -> 2Al2O3

No table found. the question asks for covalent bond based on electronegativies

Mars contains iron oxide in its crust

The main types of electromagnetic radiation. radio  waves have  the lowest frequencies  and  longest  wavelengths, while gamma  waves have highest frequencies  and shortest wavelengths. the wavelengths vary across the electromagnetic spectrum from about 10–15 m to more than 104 m.hope it !