Consider the reaction of 3Mg+N2 Mg3N2 If you have 150g of Mg and 50g of N2, which reactant will you run out of first? answer

Mg

N2

B? i feel like this is a trick  

Visible light is located in the middle of the spectrum.

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 !