A rug sits in a sunny place on the floor for a long time. Kiara thinks that light from the sun can cause the rug's
color to fade over time. Can light from the sun cause the
rug's color to fade?

Choose all the answers that apply. fluorine (f) has an atomic number of 9 and an atomic weight of 18.99. fluorine has a. 9 protons b. 10 neutrons c. 18 electrons d. an atomic mass of 19 e. at least one isotope