5. the diameter of a single zinc atom is 2.7 x 108 cm. divide the thickness of the
zinc coating per side of the galvanized iron by the diameter of a single zinc atom to
calculate the number of layers of atoms in the zinc coating.
number of layers of zinc atoms = thickness of zinc coating per side (cm)
diameter of zinc atom (cm)

Answer asap need by wednesday morning calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 best answer will be brainliest

Sugar is made up of clear, colorless crystals that dissolve easily in water, but the crystals and their solution do not conduct electricity. which statement describes sugar? it is made up of atoms that are held together by metallic bonds. it is made up of atoms that are held together by covalent bonds, it is made up of atoms that are held together by weak ionic bonds. it is made up of atoms that are held together by strong ionic bonds.

Answer immediately when two or more atoms of the same element are in a chemical bond, the substance is called a(n) a. compound b. molecule c. nucleus