Use the image and word bank below to fill in the blanks. oxy…

Use the image and word bank below to fill in the blanks. oxygen.png  What is the atomic number of oxygen? [BLANK-1] What is the mass number of oxygen? [BLANK-2] The atomic number represents how many [BLANK-3] are in the atom. Which particle(s) is used to determine which element you are looking at? [BLANK-4] How many electrons are in the valence shell of oxygen? [BLANK-5]