Describe the type of bonding that would be involved in a compound of water. PLEASE HELP

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?

Find the mass, in grams, of 5.00*10^23 molecules of f2

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.