Which of the following ions is formed when a base is dissolved in a solution? A) H^+
B) O^-
C) OH^-
D) SO4^2+

One mole of zinc has a mass of 65.4 grams. approximately how many atoms of zinc are present in one mole of zinc? 32 × 1023 atoms 6 × 1023 atoms 66 atoms 65 atoms

Which of the following has wavelength longer than the wavelength of viable light? a) x rays b) gamma rays c) radios waves d) ultraviolet waves

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