The number of positive charges in the nucleus of an atom is equal to: its mass number its atomic number avogadro's number its atomic mass

What is the atomic number of an atom that has 6 protons

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.

What happens to acetone molecules when you add heat to a beaker of liquid acetone?