Một dung dịch chứa 0,1 mol hỗn hợp Na2SO4 và K2SO4. Tìm khối lượng BaCl2 cần cho vào đủ để kết tủa hết ion sunfat trong dung dịch trên

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what

This element exists in adundance in the sun.explain how you would go about capturing sunlight.would this captured sunlight contain any of the element?

Give the orbital configuration of the phosphorus (p) atom.