In a water molecule there are (0, 1, 2, 3, 4) bonding pairs of electrons and (0, 1, 2, 3, 4) non-bonding or lone pairs of electrons.

Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night.  when he took it out, its new volume was 322 milliliters, but its pressure was the same.  if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is  kelvins.

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.

Nan element’s square on the periodic table, the number with the greatest numerical value represents the