Draw the lewis structure of carbon z=6 and hydrogen z=1 atoms. how many valence electrons

If soap hits the floor, is the soap dirty or the floor

How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same

If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?