2. Place the following atoms in order of decreasing attraction for electrons. Explain your reasoning.
Atoms: Sodium, potassium, magnesium, calcium

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.