Which is a pure substance?

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

Asap! will give brainiest when a heat wave strikes a region causing more people to run air-conditioning units, electrical demand increases. what needs to be done to meet this increased demand? raising the control rodslowering the control rodsremoving the control rods

What type of matter is made of only one kind of atom