Help please
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Using the periodic table, complete the table to describe each atom. type in your answers. a ? b? c? d? e? f?

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?

Silver tarnishes as silver metal reacts with hydrogen sulfide, h2s, in the air. in this reaction, dark silver sulfide, au2s, covers the surface of silver. when silver is polished, this coating of silver sulfide can be removed from the surface. this makes the silver shiny again. enter the coefficients that balance the tarnishing reaction equation. (type 1 for no coefficient.)