Each element in the periodic table is assigned an atomic number. This number is the same as ___. A. the number of neutrons in the atom's nucleus.
B. the number of protons and neutrons in the atom's nucleus.
C. the number of protons in the atom's nucleus.
D. the number of electrons in the atom's nucleus

For the following, determine the type of reaction and then give products.

Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?

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.