What happens as the reactants get used up in a reaction?

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?

Which element is the least metallic between cadmium, silver, zinc, or iron?

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.