Nitrogen is an element.
It is a solution of several gasses, the most abundant of which are nitrogen and oxygen.
No it is a solution
Hydrogen is a chemical element, gas at room temperature, having a diatomic molecule.
element
Heterogeneous mixture.
It is a heterogeneous mixture.
It is a heterogeneous mixture.
Heterogeneous
It is a heterogeneous mixture.
It is a diatomic element. As such, it would be a solution. It is not a heterogenous mixture because heterogenous means nonuniform. N2 is uniform because it is composed of all the same element in the same proportion. It's a solution.
Aluminium is an element . it is not compound or mixture.
it is compound solution! Yamaha!