The atomic number tells the number of
proton
neutron

Amixture with the same composition throughout is!

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest

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.