Which nonmetal family is the least active? why?

How many miles of water are produced if 5.43 mol pbo2 are consumed

One nanometer is equal to how many meters?

Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.