The Giant's Causeway is an igneous rock formation in Ireland. left: short stone columns with flat tops near each other but not connected on the coast; right: close up of short, flat-topped columns
Describe the features of the Giant's Causeway.

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.

How many moles of magnesium is 3.01 x10^22 atoms of magnesium?

One does not belong why? ice, gold ,wood ,diamond and table salt