Which element forms steel when added to carbon?

Five students had to answer the question how are elements arranged in a periodic tabledamon: i think the elements are arranged by increasing massflo: i think the elements are arranged according to their properties sienna: i think the elements are arranged by when their discovers kyle: i think the elements are arranged according to how common they areglenda: i don't agree with any of themwho is right

How many grams of n2h4 will be consumed by 23 g of n2o4

How many atoms are there in 5.70 mol of mg