Agold atom has a radius of 145 pm. if you could string gold atoms like beads on a thread, how many atoms would you need to have a necklace 36 cm long?

Which statement justifies that hydrogen peroxide (h2o2) is a polar molecule? the o – h bond is nonpolar and the molecule is asymmetric. the o – h bond is nonpolar and the molecule is symmetric. the o – h bond is polar and the molecule is asymmetric. the o – h bond is polar and the molecule is symmetric.