How many arms can a Picnopodia have ?

Some familiar products contain some of the same types of atoms. for instance, the chemical formula for baking soda is nahco 3. the chemical formula for liquid bleach is naclo, and the chemical formula for table salt is nacl. which choice best describes why these three products have some of the same types of atoms in common?

One student said that the investigation was not valid (a fair test). write a plan for the investigation that includes improvements to the method and apparatus

How many moles are in 7.2 x 10^23 carbon molecules?