Duralumin. it mixed from copper and magnesium or aluminium. it use for flight
Coal
Coal is a sedimentary rock that is made from mostly plant debris. This debris is usually formed in a swampy environment and is usually mined and used for fuel! Hope this helps!
It will be number 1.
NO loses oxygen ie its being reduced to N2
NH3 gains oxygen atom ie its being oxidised to H2O
Electronegativity
Atomic radius
Ionization energy
